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Shouldered Washer NSN 5310-00-437-9432

Item Description

A washer, round in shape, and having a centrally located hole. One bearing surface is flat and unbroken, the other surface is in the form of a raised shoulder (boss) having a flat bearing surface. The thickness of the shoulder (boss) must not exceed 25 percent of the shoulder (boss) diameter. For items having a shoulder (boss) of greater thickness, use bearing, sleeve; bushing sleeve; or spacer, sleeve. Excludes insulator, washer and thrust type washers.

NSN 5310-00-437-9432 NSN: 5310-00-437-9432

Features and Characteristics

Hole Diameter
Between 0.1255 inches and 0.130 inches
Shoulder Diameter
Between 0.186 inches and 0.187 inches
Outside Diameter
Between 0.307 inches and 0.317 inches
Shoulder Height
Between 0.014 inches and 0.016 inches
Material Thickness
Between 0.008 inches and 0.013 inches
Material
Steel comp 303
Material Specification
Qq-s-764 federal specification single material response
Surface Treatment
Passivate
Surface Treatment Specification
580-0025-00 13499 mfr ref single treatment response
Style Designator
Shouldered
FSC
5310 Nuts And Washers
NIIN
004379432
NSN
5310004379432

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
775-5081-001
Cage Code:
13499
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 7318220000
  • NAICS: 332722
  • SITC: 69422
  • Description: Washers other than lock washers, iron or steel
  • End Use (Code 12300):
    Finished metal shapes

Q & A

Frequently asked questions for NSN 5310-00-437-9432
What are the manufacturers of nsn 5310004379432?
Does this nsn 5310004379432 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310004379432
A washer, round in shape, and having a centrally located hole. one bearing surface is flat and unbroken, the other surface is in the form of a raised shoulder (boss) having a flat bearing surface. the thickness of the shoulder (boss) must not exceed 25 percent of the shoulder (boss) diameter. for items having a shoulder (boss) of greater thickness, use bearing, sleeve; bushing sleeve; or spacer, sleeve. excludes insulator, washer and thrust type washers.
Does nsn 5310004379432 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310004379432 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310004379432?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
15934
FIIG:
A022B0
App. Key:
A
Cond. Code:
1
Status:
A

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