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Key Washer NSN 5310-01-187-7972

Item Description

A washer of nonresilient material usually having two parallel bearing surfaces. The outside and/or inside edges have one or more protuberances. The ends and/or edges may be prebent at any angle or the protuberances may be prebent at any angle to the bearing surfaces. The keys or lugs may be fitted into keyways in adjacent material or they may be bent over after application to hold or lock one or more items in place. Excludes thrust type washer.

NSN 5310-01-187-7972 NSN: 5310-01-187-7972

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Features and Characteristics

Hole Diameter
Between 1.531 inches and 1.533 inches
Outside Diameter
2.000 inches
External Straight Key Width
Between 0.360 inches and 0.370 inches
Overall Distance Including Keys
Between 2.470 inches and 2.480 inches
External Key Quantity
2
Material Thickness
Between 0.115 inches and 0.125 inches
Surface Finish
125.0 microinches all surfaces
Color
White
Material
Steel comp 302
Material Specification
Mil-s-5059 military specification single material response
Surface Treatment
Primer and enamel
Surface Treatment Specification
Mil-p-23377 military specification single treatment response and mil-c-83286 military specification single treatment response
Style Designator
Key
FSC
5310 Nuts And Washers
NIIN
011877972
NSN
5310011877972

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
1881-271
Cage Code:
13002
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 5310-01-187-7972
What are the manufacturers of nsn 5310011877972?
Does this nsn 5310011877972 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310011877972
A washer of nonresilient material usually having two parallel bearing surfaces. the outside and/or inside edges have one or more protuberances. the ends and/or edges may be prebent at any angle or the protuberances may be prebent at any angle to the bearing surfaces. the keys or lugs may be fitted into keyways in adjacent material or they may be bent over after application to hold or lock one or more items in place. excludes thrust type washer.
Does nsn 5310011877972 contain any precious metals?
No precious metal content.
Does nsn 5310011877972 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310011877972?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
01869
FIIG:
A022B0
App. Key:
A
Cond. Code:
1
Status:
A

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