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Shouldered Washer NSN 5310-00-995-5631

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 5310-00-995-5631 NSN: 5310-00-995-5631

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Features and Characteristics

Hole Diameter
0.265 inches
Shoulder Diameter
0.365 inches
Outside Diameter
0.500 inches
Shoulder Height
0.031 inches
Material Thickness
0.062 inches
Material
Paper
Material Specification
Mil-f-1148 grade ch military specification single material response
Style Designator
Shouldered
FSC
5310 Nuts And Washers
NIIN
009955631
NSN
5310009955631

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
2159
Cage Code:
91967
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 4823908850
  • NAICS: 322299
  • SITC: 64299
  • Description: Articles of paper pulp, paper, paperboard, cellulose wadding or webs of cellulose fibers, nesoi
  • End Use (Code 12430):
    Newsprint

Q & A

Frequently asked questions for NSN 5310-00-995-5631
What are the manufacturers of nsn 5310009955631?
Does this nsn 5310009955631 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310009955631
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 5310009955631 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310009955631 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310009955631?
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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