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Key Washer NSN 5310-00-377-3921

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 5310-00-377-3921 NSN: 5310-00-377-3921

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Features and Characteristics

Hole Diameter
Between 0.450 inches and 0.455 inches
Outside Diameter
Between 0.705 inches and 0.715 inches
External Prebent Key Length
Between 0.075 inches and 0.085 inches
External Tapered Key Width
0.441 inches
External Prebent Key Width
Between 0.170 inches and 0.175 inches
Distance From Centerline To Inside Of Prebent Key
Between 0.412 inches and 0.422 inches
Overall Distance Including Keys
Between 0.981 inches and 1.009 inches
Split Key Length
Between 0.175 inches and 0.190 inches
External Key Quantity
3
Material Thickness
0.032 inches
Angle Between External Keys
60.0 degrees
External Prebent Key Angle
20.0 degrees
Material
Steel comp 321
Material Specification
Ams 5510 assn standard single material response
Style Designator
Key
FSC
5310 Nuts And Washers
NIIN
003773921
NSN
5310003773921

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
429326
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 5310-00-377-3921
What are the manufacturers of nsn 5310003773921?
Does this nsn 5310003773921 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310003773921
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 5310003773921 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310003773921 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310003773921?
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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