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Shouldered Washer NSN 5310-00-831-7172

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 5310-00-831-7172 NSN: 5310-00-831-7172

Features and Characteristics

Hole Diameter
Between 0.276 inches and 0.286 inches
Shoulder Diameter
Between 0.490 inches and 0.500 inches
Outside Diameter
Between 0.870 inches and 0.890 inches
Shoulder Height
Between 0.066 inches and 0.068 inches
Material Thickness
Between 0.054 inches and 0.058 inches
Material
Steel comp 410
Material Specification
Ams5613 assn standard single material response
Surface Treatment
Passivate
Surface Treatment Specification
Pwa 830 fscm 77445 mfr ref single treatment response
Style Designator
Shouldered
FSC
5310 Nuts And Washers
NIIN
008317172
NSN
5310008317172

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
569774
Cage Code:
11449
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 5310-00-831-7172
What are the manufacturers of nsn 5310008317172?
Does this nsn 5310008317172 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310008317172
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 5310008317172 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310008317172 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310008317172?
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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