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Key Washer NSN 5310-00-073-1601

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 5310-00-073-1601 NSN: 5310-00-073-1601

Features and Characteristics

Hole Diameter
Between 0.200 inches and 0.205 inches
Outside Diameter
Between 0.340 inches and 0.350 inches
External Tapered Key Width
Between 0.180 inches and 0.200 inches
External Prebent Key Width
Between 0.190 inches and 0.210 inches
Distance From Centerline To Inside Of Prebent Key
Between 0.195 inches and 0.205 inches
Overall Distance Including Keys
Between 0.640 inches and 0.660 inches
Split Key Length
Between 0.150 inches and 0.155 inches
External Key Quantity
4
Material Thickness
Between 0.027 inches and 0.035 inches
Angle Between External Keys
Between 38.0 degrees and 42.0 degrees
External Prebent Key Angle
Between 20.0 degrees and 40.0 degrees
Surface Finish
32.0 microinches top
Material
Stainless steel
Material Specification
Sae 30321 assn standard single material response
Style Designator
Key
FSC
5310 Nuts And Washers
NIIN
000731601
NSN
5310000731601

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
481737
Cage Code:
77445
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 5310-00-073-1601
What are the manufacturers of nsn 5310000731601?
Does this nsn 5310000731601 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310000731601
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 5310000731601 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310000731601 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310000731601?
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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