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Key Washer NSN 5310-00-765-1978

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 5310-00-765-1978 NSN: 5310-00-765-1978

Features and Characteristics

Hole Diameter
Between 0.376 inches and 0.378 inches
Outside Diameter
Between 0.463 inches and 0.473 inches
External Prebent Key Length
Between 0.078 inches and 0.083 inches
External Prebent Key Width
Between 0.148 inches and 0.158 inches
Distance From Centerline To Inside Of Prebent Key
0.308 inches
Overall Distance Including Keys
Between 0.5685 inches and 0.5785 inches
Material Thickness
0.035 inches
Surface Finish
63.0 microinches inner
Material
Steel comp 1022
Material Specification
Qq-s-698 federal specification 1st material response or qq-s-700 federal specification 2nd material response
Surface Treatment
Phosphate
Style Designator
Key
FSC
5310 Nuts And Washers
NIIN
007651978
NSN
5310007651978

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
7651978
Cage Code:
19200
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 5310-00-765-1978
What are the manufacturers of nsn 5310007651978?
Does this nsn 5310007651978 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310007651978
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 5310007651978 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310007651978 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310007651978?
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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