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  Bostitch SB1850BN (Type 1) 18ga Brad Nailer Parts
Bostitch 18ga Brad Nailer Replacement  For Model SB1850BN (Type 1)

Bostitch 18ga Brad Nailer Replacement Parts For Model SB1850BN (Type 1)

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Popular Parts for Bostitch SB1850BN (Type 1)

Page A
Bostitch SB1850BN (Type 1) 18ga Brad Nailer Page A Diagram
 Fig #
1
Flange Nut Obsolete - Not Available
 $3.99

Part Number:JA1191W1

Discontinued

Discontinued
 $3.99
Discontinued
3
Hex Soc.hd.bolt
 $3.99

Part Number:S0110540100

In Stock

In Stock
 $3.99
In Stock
 $3.99
4
Spring Washer Obsolete - Not Available
 $2.99

Part Number:1D105

Discontinued

Discontinued
 $2.99
Discontinued
5
Frame Cap-machining
 $11.25

Part Number:P0770000240

In Stock

In Stock
 $11.25
In Stock
 $11.25
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
9
Spring
 $4.99

Part Number:180447

In Stock

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

Part Number:851483-S

In Stock

In Stock

Note: 1.739x.070
 $5.19
In Stock
 $5.19
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
Frame
 $32.98

Part Number:9R199568

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $32.98
Usually ships in 7 - 12 business days
 $32.98
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- Fixed
 $14.47

Part Number:188692

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $14.47
Usually ships in 7 - 12 business days
 $14.47
34
Nail Guide
 $3.99

Part Number:189859

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.99
Usually ships in 7 - 12 business days
 $3.99
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
Magazine- Sliding
 $9.92

Part Number:189858

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $9.92
Usually ships in 7 - 12 business days
 $9.92
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
Nut,nylon M5x.80
 $3.99

Part Number:MHE5080-100

In Stock

In Stock

Note: Torque to 20-30 In.Lbs.
 $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
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 Obsolete - Not Available
 $2.99

Part Number:189900

Discontinued

Discontinued
 $2.99
Discontinued
59
Safety Guide
 $5.19

Part Number:P0590007400

In Stock

In Stock
 $5.19
In Stock
 $5.19
60
Label Warning-sb Tools
 $3.99

Part Number:159922

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.99
Usually ships in 7 - 12 business days
 $3.99
61
188686
 $3.99

Part Number:188686

Usually ships in 7 - 12 business days

Usually ships in 7 - 12 business days
 $3.99
Usually ships in 7 - 12 business days
 $3.99
62
Screw,shcs,m4x0.70x8
 $3.99

Part Number:MSC4070-8

In Stock

In Stock

Note: Torque to 18-25 In.Lbs.
 $3.99
In Stock
 $3.99
800
Lubricant 1lb Can
 $51.79

Part Number:100679

In Stock

In Stock

Note: Rebuild Grease
 $51.79
In Stock
 $51.79
800
Lube (2cc)
 $3.99

Part Number:9R206705

In Stock

In Stock

Note: Rebuild Grease
 $3.99
In Stock
 $3.99
 Fig #
Nailer Parts

Questions & Answers for Bostitch SB1850BN (Type 1)


Air is blowing out from top cap. Opened it up and it looks like it is missing an O ring seal. I believe it is part number 106 but not sure
Ed for model number BN125A asked on 2022-02-25
Hello Ed, thank you for your question. We have researched the model you have provided, and we would suggest the Head Valve Seal, part number 894737. If you need help placing an order, our customer service is open 7 days a week. Please feel free to give us a call. We look forward to hearing from you!
eReplacementParts Team February 25, 2022
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