SB1850BN (Type 0) Stanley Nailer - Overview

Diagrams for SB1850BN

See every part. Know exactly what you need.

Enter a part description. DIY Heroes keep it simple, eg. "belt" or "pump".

Search filter:
Clear Filter
Your search term must have 3 or more characters.
Collar – Part Number: JA1092E1
No Longer Available
Collar
Part #JA1092E1
This is an authentic Bostitch replacement part that has been sourced from the original manufacturer to be used with pneumatic finishing staplers and nailers. The plastic collar is used to support and stabilize the piston head valve assembly. A hex driver and small nose-pliers may be needed to install this part. The collar is sold as an individual replacement part.
Magazine A – Part Number: JS4105D1
No Longer Available
Magazine A
Part #JS4105D1
E-RING – Part Number: 180507
$7.44
Special Order
E-RING
Part #180507
It is a genuine item that is supplied by the original equipment manufacturer for use with Bostitch and Porter Cable nailers and staplers. The purpose of this high-quality e-ring is to secure the setting knob, unfortunately, over time it may wear out or get damaged eventually requiring a replacement. Keep in mind this high-quality hardware is made of durable metal and is sold individually. Please make sure to refer to the appropriate diagrams of your model for the correct location and application of this component.
HEAD VALVE BODY – Part Number: 180450-S
$7.79
In Stock
HEAD VALVE BODY
Part #180450-S
This head valve body regulates airflow within pneumatic nailers, helping generate the pressure needed to drive fasteners effectively. Built from durable materials, it supports consistent tool performance. Replacing a worn or faulty valve can resolve issues such as air leaks, reduced driving power, or failure to fire, restoring reliable operation.
O RING – Part Number: 180448
$7.44
In Stock
O RING
Part #180448
This genuine OEM rubber O-ring is designed for use in specific pneumatic nailers, helping to create a secure pressure seal between rigid components. Its flexible, circular design allows it to withstand high levels of pressure, making it essential for maintaining proper tool performance. Because different tools may use various O-ring sizes and placements, it’s important to consult your model’s manual to ensure the correct fit. This part is sold individually, so you can replace only what’s needed without purchasing extras.
O-RING – Part Number: 174073
$7.44
Special Order
O-RING
Part #174073
This replacement O-ring is a flexible sealing component used in various models of staplers and nailers. Designed to fit snugly between solid parts, it helps create a tight seal capable of withstanding high pressure, ensuring reliable tool performance. Since different machines may require different styles of O-rings, it's important to verify compatibility and placement before installation. This part is sold individually, making it a convenient option for targeted repairs or replacements.
SPRING – Part Number: 180447
$7.44
Special Order
SPRING
Part #180447
This is a genuine OEM sourced part that is intended to be used with pneumatic nailers and staplers from Bostitch, Porter Cable, and DeWalt. The metal spring is used to provide compression between the piston head valve and the end cap assembly. This item is sold as an individual replacement part.
WASHER FLAT – Part Number: 180449
$7.44
In Stock
WASHER FLAT
Part #180449
This is an authentic OEM product which is designed for Bostitch, DeWALT and Porter Cable nailers and staplers. It provides a tight seal for the valve piston. Over time the material may wear down causing air leaks. To replace this flat washer you will need a screwdriver and pliers. This item is sold individually and is made of durable material. Check the diagrams of your model for the proper installation.
WASHER-PLAIN-D5X10X1 – Part Number: 180569
$7.44
Special Order
WASHER-PLAIN-D5X10X1
Part #180569
O-RING – Part Number: 1FA0031
No Longer Available
O-RING
Part #1FA0031
PIN SPRING – Part Number: MPG030012
$7.44
In Stock
PIN SPRING
Part #MPG030012
This is an authentic OEM part. The spring pin (m3x12mm) is compatible with several nailers and staplers. The metal component assists with fastening the magazine toggle, and is sold individually. Pliers and a wrench set may be helpful in making the replacement.
NUT-NYLON M5X.80 – Part Number: MHE5080-100
$7.44
Special Order
NUT-NYLON M5X.80
Part #MHE5080-100
This is an authentic OEM sourced component which is specially made for use with Bostitch and Porter Cable mailers and staplers. It is a standard hardware which has multiple applications, please make sure to check the appropriate diagrams of your model for the correct location and application of this nut. Keep in mind this high-quality item is made of durable metal and is sold indvidually.

Common Symptoms of the SB1850BN

How this model fails, and the parts that fix it.