This is an authentic Murray replacement part that has been sourced from the original manufacturer to be used with snowthrowers. The metal screw is used to secure the pulley to the auger drive shaft assembly. This screw is sold as an individual replacement part, please see illustrated diagram for associative parts.
Screw, 5/16-18x.63 Hh 577400MA
OEM part for: Murray, Craftsman, Simplicity
Part Number: 577400MA
$5.18
In Stock
Order within the next 4 hours and your part ships today! 
Frequently Purchased Together ?
Compatibility
This part will fit the following 216 machines
Murray
1695539 (2008) 24" Dual Stage Snowthrower View Diagrams & Manuals
1695557 (C950-52846-0)(2008) 24" Dual Stage Snowthrower View Diagrams & Manuals
1695558 (C950-52847-0)(2008) 24" Dual Stage Snowthrower View Diagrams & Manuals
LP1695444-726E (2008) 26" Dual Stage Snowthrower View Diagrams & Manuals
1695505 (18-2830-29) (2008) 27" Dual Stage Snowthrower View Diagrams & Manuals
1695506 (18-2830-39)(2008) 27" Dual Stage Snowthrower View Diagrams & Manuals
1695507 (18-2856-29)(2008) 27" Dual Stage Snowthrower View Diagrams & Manuals
1695540 (2008) 27" Dual Stage Snowthrower View Diagrams & Manuals
1695541 (2008) 27" Dual Stage Snowthrower View Diagrams & Manuals
1695425 (6240900x196A)(2007) 24" Dual Stage Snowthrower View Diagrams & Manuals
1695459 (Series 900)(2007) 26" Dual Stage Snowthrower View Diagrams & Manuals
1695427 (C950-52721-0)(2007) 24" Dual Stage Snowthrower View Diagrams & Manuals
1695361 (6240810X54)(2007) 24" Dual Stage Snowthrower View Diagrams & Manuals
626752x16B (ST7526)(2007) 26" Dual Stage Snowthrower View Diagrams & Manuals
1695362 (6240810X61)(2007) 24" Dual Stage Snowthrower View Diagrams & Manuals
6271200x110 (18-2830-88)(2007) Castlegarden SN927 27" Dual Stage Snowthrower View Diagrams & Manuals
6271200x113A (18-2830-38)(2007) Alpina AN927 27" Dual Stage Snowthrower View Diagrams & Manuals
1695372 (6240900x43)(2007) 24" Dual Stage Snowthrower View Diagrams & Manuals
6271200x85 (18-2830-28)(2007) Sno Blizzard 27" Dual Stage Snowthrower View Diagrams & Manuals
1695382 (C950-52729-0)(2007) 24" Dual Stage Snowthrower View Diagrams & Manuals
6271270x85 (18-2856-28)(2007) Sno Unlimited 27" Dual Stage Snowthrower View Diagrams & Manuals
6240810x110 (18-2827-88)(2007) Castlegarden SN624 24" Dual Stage Snowthrower View Diagrams & Manuals
6240810x85 (18-2857-28)(2007) 24" Snow Park Dual Stage Snowthrower View Diagrams & Manuals
624650x16B (ST6524)(2007) 24" Dual Stage Snowthrower View Diagrams & Manuals
6291570X85 (18-2847-28)(2007) 29" Dual Stage Snowthrower View Diagrams & Manuals
624555X110B (SN624)(2006) 24" Dual Stage Snowthrower View Diagrams & Manuals
629101X85B (2006) 29" Dual Stage Snowthrower View Diagrams & Manuals
624555X85B (2006) 24" Snow Storm Dual Stage Snowthrower View Diagrams & Manuals
624555x61A (2005) 24" Dual Stage Snowthrower View Diagrams & Manuals
627852X85B (2006) 27" Snow Blizzard Dual Stage Snowthrower View Diagrams & Manuals
624555x85A (2005) 24" Dual Stage Snowthrower View Diagrams & Manuals
624650X16A (ST6524)(2006) 24" Dual Stage Snowthrower View Diagrams & Manuals
624808x4F (2005) 24" Dual Stage Snowthrower View Diagrams & Manuals
627855X110A (SN927)(2006) 27" Dual Stage Snowthrower View Diagrams & Manuals
536.88165 (2005) 24" Dual Stage Snowthrower View Diagrams & Manuals
C950-52419-2 (2005) 24" Dual Stage Snowthrower View Diagrams & Manuals
624554x16A (2005) 24" Dual Stage Snowthrower View Diagrams & Manuals
C950-52429-1 (2005) 24" Dual Stage Snowthrower View Diagrams & Manuals
626752X16A (ST7526)(2006) 26" Dual Stage Snowthrower View Diagrams & Manuals
624555x110A (2005) 24" Dual Stage Snowthrower View Diagrams & Manuals
626750x16C (2005) 26" Dual Stage Snowthrower View Diagrams & Manuals
624555x54A (2005) 24" Dual Stage Snowthrower View Diagrams & Manuals
MH61900 (2010) Hybrid Frame Dual Stage Snow Thrower View Diagrams & Manuals
624808X4E (2004) Dual Stage Snowblower View Diagrams & Manuals
624808X4NA (2003) Dual Stage Snowblower View Diagrams & Manuals
622505X0A (2003) Dual Stage Snow Thrower View Diagrams & Manuals
622505X0B Dual Stage Snow Thrower View Diagrams & Manuals
1695835 27-In Dual Stage Snowthrower View Diagrams & Manuals
624508x4B (2000) Dual Stage Snow Thrower View Diagrams & Manuals
624505X4D Snow Thrower View Diagrams & Manuals
622515X31B (2000) Dual Stage Snow Thrower View Diagrams & Manuals
624505X54B (2000) Dual Stage Snow Thrower View Diagrams & Manuals
624505X54B (2001) Dual Stage Snow Thrower View Diagrams & Manuals
624505X85B (2000) Dual Stage Snow Thrower View Diagrams & Manuals
624508X61A (2000) Dual Stage Snow Thrower View Diagrams & Manuals
624515X4B (2000) Dual Stage Snow Thrower View Diagrams & Manuals
624604X89A (2000) Dual Stage Snow Thrower View Diagrams & Manuals
624605X61A (2000) Dual Stage Snow Thrower View Diagrams & Manuals
622518X31C (2001) Dual Stage Snow Thrower View Diagrams & Manuals
624504X4C (2003) Dual Stage Snow Thrower View Diagrams & Manuals
624505X54C (2001) Dual Stage Snow Thrower View Diagrams & Manuals
624505X85C (2001) Dual Stage Snow Thrower View Diagrams & Manuals
624509X4A (2001) Dual Stage Snow Thrower View Diagrams & Manuals
624604X89B (2001) Dual Stage Snow Thrower View Diagrams & Manuals
622505X4A (2003) Dual Stage Snow Thrower View Diagrams & Manuals
622518X31D (2002) Dual Stage Snow Thrower View Diagrams & Manuals
622518X31E (2003) Dual Stage Snow Thrower View Diagrams & Manuals
624505X54E (2003) Dual Stage Snow Thrower View Diagrams & Manuals
624505X85D (2002) Dual Stage Snow Thrower View Diagrams & Manuals
624508X61D (2003) Dual Stage Snow Thrower View Diagrams & Manuals
624604X0A (2003) Dual Stage Snow Thrower View Diagrams & Manuals
624604X43A (2003) Dual Stage Snow Thrower View Diagrams & Manuals
627808X5A (2003) Dual Stage Snow Thrower View Diagrams & Manuals
627850X0A (2003) Dual Stage Snow Thrower View Diagrams & Manuals
624501X85A (2003) Single Stage Snow Thrower View Diagrams & Manuals
622505X4B (2004) Dual Stage Snow Thrower View Diagrams & Manuals
624501X85B (2004) Dual Stage Snow Thrower View Diagrams & Manuals
624504X4D (2004) Dual Stage Snow Thrower View Diagrams & Manuals
624504X5C (2004) Dual Stage Snow Thrower View Diagrams & Manuals
624504X43A (2004) Dual Stage Snow Thrower View Diagrams & Manuals
624505X54F (2004) Dual Stage Snow Thrower View Diagrams & Manuals
624508X61E (2004) Dual Stage Snow Thrower View Diagrams & Manuals
624515X54A (2004) Dual Stage Snow Thrower View Diagrams & Manuals
624518X31A (2004) Dual Stage Snow Thrower View Diagrams & Manuals
624604X0C (2004) Dual Stage Snow Thrower View Diagrams & Manuals
627808X5B (2004) Dual Stage Snow Thrower View Diagrams & Manuals
627850X0B (2004) Dual Stage Snow Thrower View Diagrams & Manuals
C950-52405-0 (2004) Dual Stage Snow Thrower View Diagrams & Manuals
627808X5C (2005) Dual Stage Snow Thrower View Diagrams & Manuals
627808X31A (2005) Dual Stage Snow Thrower View Diagrams & Manuals
627851X85A (2005) Dual Stage Snow Thrower View Diagrams & Manuals
627852X85A (2005) Dual Stage Snow Thrower View Diagrams & Manuals
624504x4B (2002) Dual Stage Snow Thrower View Diagrams & Manuals
624504x5B (2003) Dual Stage Snow Thrower View Diagrams & Manuals
624505x4D (2003) Dual Stage Snow Thrower View Diagrams & Manuals
950.524190 (2004) Craftsman, Dual Stage Snow Thrower View Diagrams & Manuals
950.524290 (2004) Craftsman, Dual Stage Snow Thrower View Diagrams & Manuals
622505x0B (2004) Dual Stage Snow Thrower View Diagrams & Manuals
C950-52419-0 (2004) Dual Stage Snow Thrower View Diagrams & Manuals
C950-52429-0 (2004) Dual Stage Snow Thrower View Diagrams & Manuals
536.881650 (2005) Craftsman Dual Stage Snow Thrower View Diagrams & Manuals
536.881850 (2005) Craftsman Dual Stage Snow Thrower View Diagrams & Manuals
536.881950 (2005) Craftsman Dual Stage Snow Thrower View Diagrams & Manuals
629101x85A (2005) Dual Stage Snow Thrower View Diagrams & Manuals
1695690 (2009) Murray 8 Tp 24-Inch Dual Stage Snowthrower, Ce View Diagrams & Manuals
1695695 (CC61800)(2009) Canadiana 8 Tp 24-Inch Dual Stage Snowthrower, Ce View Diagrams & Manuals
1695731 (2009) Dynamark 24-Inch Dual Stage Snowthrower View Diagrams & Manuals
1695739A (C950-52946-0)(2009) Craftsman 24-Inch Dual Stage Snow Thrower View Diagrams & Manuals
1695557 (950.527210)(2008) Craftsman Dual Stage Snow Thrower View Diagrams & Manuals
1695558 (950.527290)(2008) Craftsman Dual Stage Snow Thrower View Diagrams & Manuals
1695496 (18-2847-29)(2008) Snow Power Dual Stage 29-Inch Snowthrower View Diagrams & Manuals
1695444 (LP1695444 - 726E)(2008) Dual Stage Snow Thrower View Diagrams & Manuals
1695575 (2008) Brute 27-Inch 11.5 Tp Snowthrower View Diagrams & Manuals
1695749 (18-2864-30)(2009) Snow Spark Es 24-Inch Dual Stage Snowthrower View Diagrams & Manuals
1695775 (2009) Murray 8.0 Tp 24-Inch Snowthrower View Diagrams & Manuals
C950-52946-0 (1695739A)(2009) Craftsman 24-Inch Dual Stage Snow Thrower View Diagrams & Manuals
726E (1695620 - LP18976)(2009) Dual Stage Snow Thrower 26-Inch View Diagrams & Manuals
1695719 (2009) Murray 9.0 Tp 27-Inch Snowthrower View Diagrams & Manuals
1695724 (2009) Brute 27-Inch 11.5 Tp Snowthrower View Diagrams & Manuals
1695750 (18-2830-30)(2009) Sno Blizzard Dual Stage Snowthrower View Diagrams & Manuals
1695835 (2010) Murray 9.0 Tp 27-Inch Dual Stage Snowthrower, Ce View Diagrams & Manuals
1695860 (18-2830-31)(2010) Stiga 11.5tp 27-Inch Snow Blizzard Dual Stage Snowthrower, Ce View Diagrams & Manuals
1695739 (C950-52946-1)(2010) Craftsman 24-Inch Dual Stage Snow Thrower View Diagrams & Manuals
MH61900 (1695857)(2010) 24-Inch Dual Stage Snowthrower, Ce View Diagrams & Manuals
1695871 (2010) Brute 27-Inch 11.5 Tp Snowthrower View Diagrams & Manuals
1695951 (2010) Champion 9tp 24-Inch Dual Stage Snowthrower, Ce View Diagrams & Manuals
C950-52946-1 (1695739)(2010) Craftsman 24-Inch Dual Stage Snow Thrower View Diagrams & Manuals
C950529460 (1695739)(2010) Craftsman 24-Inch Dual Stage Snow Thrower View Diagrams & Manuals
726E (1695816 - LP25936)(2010) 26-Inch Dual Stage Snow Thrower 26-Inch View Diagrams & Manuals
1696050 (LP25936 - 726E)(2011) 26-Inch Dual Stage Snow Thrower 26-Inch View Diagrams & Manuals
1696035 (18-2830-32)(2011) 18-2830-32, Snow Blizzard, Stiga 11.5tp 27-Inch Dual Stage Snowthrower View Diagrams & Manuals
SN 624 (6240810x110 - 18-2827-88)(2007) Castelgarden Sn 624, Dual Stage Snowthrower View Diagrams & Manuals
1695427 (950.527210)(2007) Craftsman Dual Stage Snow Thrower View Diagrams & Manuals
1695382 (950.527290)(2007) Craftsman 24-Inch Dual Stage Snowthrower View Diagrams & Manuals
Craftsman
107889650 Snowblower View Diagrams & Manuals
536884822 Snowblower View Diagrams & Manuals
536886540 Snowblower View Diagrams & Manuals
536886180 8 Hp Snowblower View Diagrams & Manuals
536886110 22" Snowthrower View Diagrams & Manuals
536886500 23 In Snowblower View Diagrams & Manuals
536886161 6Hp Snowblower View Diagrams & Manuals
536886120 5Hp 22" Snowblower View Diagrams & Manuals
536886122 Snowblower View Diagrams & Manuals
536886121 Snowblower View Diagrams & Manuals
536886531 Snowthrower View Diagrams & Manuals
536886150 Snowblower View Diagrams & Manuals
536886530 Snowthrower View Diagrams & Manuals
536886160 6Hp Snowblower View Diagrams & Manuals
536881651 Snowblower View Diagrams & Manuals
536881550 Snowblower View Diagrams & Manuals
536881851 Snowblower View Diagrams & Manuals
536881850 Snowblower View Diagrams & Manuals
536881951 Snowblower View Diagrams & Manuals
536887996 Snowthrower View Diagrams & Manuals
536886440 5Hp Snowblower View Diagrams & Manuals
536886260 Snowblower View Diagrams & Manuals
536886810 Snowthrower View Diagrams & Manuals
536886190 8.5 Hp 26" Dual Stage 120V Electric Start Snow Thr View Diagrams & Manuals
536888400 6 Hp 24" Dual Stage Snowblower View Diagrams & Manuals
536881950 9.5Hp Snowblower View Diagrams & Manuals
536881650 6.5Hp Snowblower View Diagrams & Manuals
536881750 Snowblower Gas View Diagrams & Manuals
536884791 5Hp Snowblower View Diagrams & Manuals
536887993 Snowblower Gas View Diagrams & Manuals
536881800 Snowblower Gas View Diagrams & Manuals
536887995 Snowthrower Gas View Diagrams & Manuals
536887992 Snowthrower Gas View Diagrams & Manuals
536886140 5 Hp 22" Dual Stage 120V Electric Start Snowblower View Diagrams & Manuals
536885910 Snowblower View Diagrams & Manuals
536885470 24" Snowblower View Diagrams & Manuals
536885000 Snowblower View Diagrams & Manuals
536885473 Snowblower View Diagrams & Manuals
536885010 32" Snowblower View Diagrams & Manuals
536885030 Snowblower View Diagrams & Manuals
536885471 Snowblower View Diagrams & Manuals
536885900 26" Snowblower View Diagrams & Manuals
536885920 Snowblower View Diagrams & Manuals
536885472 Snowblower View Diagrams & Manuals
536881112 Snowblower View Diagrams & Manuals
536887250 Snowblower View Diagrams & Manuals
536885020 32" Trac-plus Snowblower View Diagrams & Manuals
536886261 Snowblower View Diagrams & Manuals
C950524758 Snowblower 5 Hp View Diagrams & Manuals
C950524759 Snowblower View Diagrams & Manuals
C950523303 Dual Stage Snowblower View Diagrams & Manuals
768884900 Snowblower View Diagrams & Manuals
768884800 Snowblower View Diagrams & Manuals
536886141 5Hp Snowblower View Diagrams & Manuals
536887251 24" 5.5 Hp Snowblower View Diagrams & Manuals
536887990 Snowblower View Diagrams & Manuals
536886510 Snow Thrower View Diagrams & Manuals
536884800 23" Snow Thrower View Diagrams & Manuals
536884821 Snow Thrower View Diagrams & Manuals
536886450 Snowblower View Diagrams & Manuals
536886460 Snowblower View Diagrams & Manuals
536886520 Snowblower View Diagrams & Manuals
536887000 Snowblower View Diagrams & Manuals
536887220 Snowblower View Diagrams & Manuals
536887221 Snowblower View Diagrams & Manuals
536887994 Snowblower View Diagrams & Manuals
C950-52005-0 Snowblower View Diagrams & Manuals
C950-52009-0 Snowblower View Diagrams & Manuals
C950-52330-3 Snowblower View Diagrams & Manuals
C950-52475-8 Snowblower View Diagrams & Manuals
C950-52475-9 Snowblower View Diagrams & Manuals
536884811 Snowblower View Diagrams & Manuals
536886191 Snowblower View Diagrams & Manuals
950.527210 (1695427)(2007) 24 Inch Snow Thrower View Diagrams & Manuals
950.527210 (1695557)(2008) 24 Inch Snow Thrower View Diagrams & Manuals
950.527290 (1695382)(2007) 24 Inch Snow Thrower View Diagrams & Manuals
950.527290 (1695558)(2008) 24 Inch Snow Thrower View Diagrams & Manuals
C950-52721-0 (1695427)(2007) 24 Inch Snow Thrower Canada View Diagrams & Manuals
C950-52729-0 (1695382)(2007) 24 Inch Snow Thrower Canada View Diagrams & Manuals
C950-52846-0 (1695557)(2008) 24 Inch Snow Thrower Canada View Diagrams & Manuals
C950-52847-0 (1695558)(2008) 24 Inch Snow Thrower Canada View Diagrams & Manuals
Simplicity
1695515 H924Rx, 9Tp 24In Snowthrower ( View Diagrams & Manuals
Show More Compatible Models
This item works with the following types of products:
- Snowblower Parts
This part replaces obsolete part #: 577399
Questions & Answers ?
Our customer Service team is at the ready daily to answer your part and product questions.
Ask our Team
We have a dedicated staff with decades of collective experience in helping customers just like you purchase parts to repair their products.
Does this fit my product?Questions & Answers for Screw, 5/16-18x.63 Hh
No questions have been asked yet
OEM stands for Original Equipment Manufacturer and means the part you’re buying is sourced directly from the manufacturer who made your product. At eReplacementParts, we sell only genuine OEM parts, guaranteeing the part you’re purchasing is of better design and of higher quality than aftermarket parts.
Our product descriptions are a combination of data sourced directly from the manufacturers who made your product as well as content researched and curated by our content & customer service teams. This content is edited and reviewed internally before being made public to customers.
Our customer service team are at the ready daily to answer your part and product questions. We have a dedicated staff with decades of collective experience in helping customers just like you purchase parts to repair their products.
All our part reviews are solicited directly from other customers who have purchased this exact part. While we moderate these reviews for profanity, offensive language or personally identifiable information, these reviews are posted exactly as submitted and no alterations are made by our team.
All our customer repair instructions are solicited directly from other customers just like you who have purchased and replaced this exact part. While we moderate these reviews for profanity, offensive language or personally identifiable information, these reviews are posted exactly as submitted and no alterations are made by our team.
Based on data from past customer purchasing behaviors, these parts are most commonly purchased together along with the part you are viewing. These parts may be necessary or helpful to replace to complete your current repair.
All our installation videos are created and produced in collaboration with our in-house repair technician, Mark Sodja, who has helped millions of eReplacementParts customers over the last 13 years repair their products. Mark has years of experience in selling and repairing both commercial and residential products with a specialty in gas-powered equipment.
This data is collected from customers who submitted a repair instruction after replacing this exact part. Customers can rate how easy the repair was to complete and how long it took. We aggregate this data to provide a repair rating that allows customers to quickly determine the difficulty and time needed to perform their own repair.
