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  Bostitch SB-1850BN Finish Stapler Parts
Bostitch Finish Stapler Replacement  For Model SB-1850BN

Bostitch Finish Stapler Replacement Parts For Model SB-1850BN

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Popular Parts for Bostitch SB-1850BN

Page A
Bostitch SB-1850BN Finish Stapler Page A Diagram
 Fig #
1
Flange Nut Obsolete - Not Available
 $3.99

Part Number:JA1191W1

Discontinued

Discontinued
 $3.99
Discontinued
2
Exhaust Cover
 $4.99

Part Number:P0590000200

In Stock

In Stock
 $4.99
In Stock
 $4.99
3
Hex Soc.hd.bolt
 $3.99

Part Number:S0110540100

In Stock

In Stock
 $3.99
In Stock
 $3.99
4
Shcs, M5x0.8x25,sw
 $3.99

Part Number:195071

In Stock

In Stock
 $3.99
In Stock
 $3.99
5
Deflector
 $11.14

Part Number:P0770000240

In Stock

In Stock
 $11.14
In Stock
 $11.14
6
O-ring
 $5.19

Part Number:MRG002514

In Stock

In Stock
 $5.19
In Stock
 $5.19
7
Button Hd.Cross Soc.Screw Obsolete - Not Available
 $3.99

Part Number:1L103061

Discontinued

Discontinued
 $3.99
Discontinued
8
Packing
 $5.19

Part Number:P0590000400

In Stock

In Stock
 $5.19
In Stock
 $5.19
9
Spring
 $4.99

Part Number:180447

In Stock

In Stock
 $4.99
In Stock
 $4.99
10
O-ring
 $5.19

Part Number:S06P001500

In Stock

In Stock
 $5.19
In Stock
 $5.19
11
Washer
 $4.99

Part Number:180449

In Stock

In Stock

Note: D6x10x1
 $4.99
In Stock
 $4.99
12
Head Valve
 $4.99

Part Number:180450-S

In Stock

In Stock
 $4.99
In Stock
 $4.99
13
O-ring
 $4.99

Part Number:180448

In Stock

In Stock
 $4.99
In Stock
 $4.99
14
Collar Obsolete - Not Available
 $3.99

Part Number:JA1092E1

Discontinued

Discontinued
 $3.99
Discontinued
15
O-Ring,1.739X.070 Obsolete - Not Available
 $68.20

Part Number:851483

Discontinued

Discontinued
 $68.20
Discontinued
16
Driver Unit
 $9.81

Part Number:G0205600-K

In Stock

In Stock
 $9.81
In Stock
 $9.81
17
O-ring
 $5.19

Part Number:S06Z000900

In Stock

In Stock
 $5.19
In Stock
 $5.19
18
Cylinder
 $3.99

Part Number:188708

In Stock

In Stock

Note: Incl. Collar
 $3.99
In Stock
 $3.99
19
O-ring
 $4.99

Part Number:851349

In Stock

In Stock
 $4.99
In Stock
 $4.99
20
Bumper Obsolete - Not Available
 $3.99

Part Number:P0590001200

Discontinued

Discontinued
 $3.99
Discontinued
21
Joint Guide
 $5.19

Part Number:P0775201562

In Stock

In Stock
 $5.19
In Stock
 $5.19
22
Trigger Valve Unit Obsolete - Not Available
 $3.00

Part Number:FA205BA1

Discontinued

Discontinued
 $3.00
Discontinued
23
O-ring
 $4.99

Part Number:174073

In Stock

In Stock

Note: 2.05mmx2.62mm
 $4.99
In Stock
 $4.99
24
Sequential Trigger Unit
 $3.99

Part Number:9R213319

In Stock

In Stock
 $3.99
In Stock
 $3.99
25
Stepped Pin
 $4.99

Part Number:P0595201662

In Stock

In Stock
 $4.99
In Stock
 $4.99
26
Gun Body Unit
 $28.19

Part Number:JA3401A1

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $28.19
Usually ships in 7 - 12 business days
 $28.19
27
End Cap
 $5.19

Part Number:9R209716

In Stock

In Stock
 $5.19
In Stock
 $5.19
28
O-ring
 $4.99

Part Number:S06Z001900

In Stock

In Stock
 $4.99
In Stock
 $4.99
29
Hex Soc.hd.bolt
 $3.99

Part Number:S2710520100

In Stock

In Stock
 $3.99
In Stock
 $3.99
30
Driver Guide Cover A
 $4.99

Part Number:G2000201

In Stock

In Stock
 $4.99
In Stock
 $4.99
31
Driver Guide
 $14.00

Part Number:P0770000701

In Stock

In Stock
 $14.00
In Stock
 $14.00
32
Hex Soc.hd.bolt
 $3.99

Part Number:S0110416300

In Stock

In Stock
 $3.99
In Stock
 $3.99
33
Magazine A
 $35.98

Part Number:JS4105D1

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $35.98
Usually ships in 7 - 12 business days
 $35.98
34
Nail Guide Obsolete - Not Available
 $2.99

Part Number:JA4061I1

Discontinued

Discontinued
 $2.99
Discontinued
35
Pusher Obsolete - Not Available
 $2.99

Part Number:P0775200962

Discontinued

Discontinued
 $2.99
Discontinued
36
Roller-pusher
 $3.99

Part Number:180499

In Stock

In Stock
 $3.99
In Stock
 $3.99
37
Spring
 $3.99

Part Number:195464

In Stock

In Stock
 $3.99
In Stock
 $3.99
38
Pin,spring,m3x12mm
 $4.99

Part Number:MPG030012

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days

Note: M3x12mm
 $4.99
Usually ships in 7 - 12 business days
 $4.99
39
Nose Obsolete - Not Available
 $9.82

Part Number:JS4043J1

Discontinued

Discontinued
 $9.82
Discontinued
40
Spring
 $4.99

Part Number:P0595203362

In Stock

In Stock
 $4.99
In Stock
 $4.99
41
Click Lever
 $3.99

Part Number:JA4201I1

In Stock

In Stock
 $3.99
In Stock
 $3.99
42
Click Lever Pin
 $3.99

Part Number:174233

In Stock

In Stock
 $3.99
In Stock
 $3.99
43
Buttom Hd.Soc.Screw Obsolete - Not Available
 $2.99

Part Number:1L104103

Discontinued

Discontinued
 $2.99
Discontinued
44
End Cover Plate
 $3.99

Part Number:P0595203662

In Stock

In Stock
 $3.99
In Stock
 $3.99
45
End Cover
 $8.81

Part Number:195458

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $8.81
Usually ships in 7 - 12 business days
 $8.81
46
Rear Plate Obsolete - Not Available
 $2.99

Part Number:P0775201262

Discontinued

Discontinued
 $2.99
Discontinued
47
Spring Washer
 $4.99

Part Number:1D104

In Stock

In Stock
 $4.99
In Stock
 $4.99
48
Hex Soc.Hd.Bolt Obsolete - Not Available
 $2.99

Part Number:1A104061

Discontinued

Discontinued
 $2.99
Discontinued
49
Button Hd.soc.screw
 $3.99

Part Number:1L105201

In Stock

In Stock
 $3.99
In Stock
 $3.99
50
Flat Washer
 $3.99

Part Number:180569

In Stock

In Stock
 $3.99
In Stock
 $3.99
51
Safety B
 $5.19

Part Number:P0595207062

In Stock

In Stock
 $5.19
In Stock
 $5.19
52
Safety Cover
 $5.19

Part Number:P0770002400

In Stock

In Stock
 $5.19
In Stock
 $5.19
53
Shoulder Screw Obsolete - Not Available
 $2.99

Part Number:180333

Discontinued

Discontinued
 $2.99
Discontinued
54
Setting Knob
 $4.99

Part Number:P0595207562

In Stock

In Stock
 $4.99
In Stock
 $4.99
55
Spring
 $5.19

Part Number:P0595207162

In Stock

In Stock
 $5.19
In Stock
 $5.19
56
Safety A
 $5.19

Part Number:P0775102501

In Stock

In Stock
 $5.19
In Stock
 $5.19
57
E-ring
 $3.99

Part Number:180507

In Stock

In Stock
 $3.99
In Stock
 $3.99
58
Safety Pad
 $4.99

Part Number:P0590007200

In Stock

In Stock
 $4.99
In Stock
 $4.99
59
Safety Guide
 $5.19

Part Number:P0590007400

In Stock

In Stock
 $5.19
In Stock
 $5.19
 Fig #
Stapler Parts

Repair Guides for Bostitch Finish Stapler SB-1850BN

Power Tool Care and Maintenance 101

This article suggests guidelines for power tool care and maintenance. It also describes information tools available at eReplacementParts.com.

Drilling, Fastening, and Hammering Power Tools

This article lists the major categories of drilling, fastening, and hammering tools, and explains the basic applications, types, and features of each.

Questions & Answers for Bostitch SB-1850BN


The nailer just blows air will not shoot.
Frank for model number Sb1850bn asked on 2022-11-24
Hello Frank, Thank you for the question. We suggest checking the Head Valve and O-Rings for Wear or damage. Thank you for your inquiry, good luck with this repair!
eReplacementParts Team November 24, 2022
the piston does not return to the top after pulling the trigger
Charles for model number sb-1850bn asked on 2023-02-14
Hello Charles, thank you for your question. Make sure the supply air pressure is within the pressure range specified by the manufacturer. The Head Valve 180450-S produces air pressure to force the driver in the direction of the fastener. You will need a Allen wrench set, adjustable wrench and a screwdriver to replace this part. We are pleased to have been able to help.
eReplacementParts Team February 14, 2023
Do you have a piston rebuild kit for the Bostich SB1850BN? According to your parts diagram it's the parts from 8-12
Charles for model number SB1850BN asked on 2023-11-15
Hello Charles, Thank you for writing. Very sorry, Bostitch does not sell the parts as a kit, just separately. We hope this helps!
eReplacementParts Team November 15, 2023
wont stroke (drive nail)
rex for model number sb1850bn asked on 2024-01-05
Hi Rex, Thank you for writing. We suggest checking the Head Valve Part#: 180450-S for wear or damage. This part produces air pressure to force the driver in the direction of the fastener. We hope this helps!
eReplacementParts Team January 05, 2024
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