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Key Washer NSN 5310-00-301-3121

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 5310-00-301-3121 NSN: 5310-00-301-3121

Features and Characteristics

Hole Diameter
Between 0.945 inches and 0.950 inches
Outside Diameter
1.180 inches
External Straight Key Width
Between 0.168 inches and 0.178 inches
Overall Distance Including Keys
1.600 inches
External Key Quantity
12
Material Thickness
0.032 inches
Special Features
Two keys bent 90 degrees, located 180 degrees apart
Material
Steel comp 321
Material Specification
Mil-s-6721, cond a military specification single material response
Style Designator
Key
FSC
5310 Nuts And Washers
NIIN
003013121
NSN
5310003013121

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
1285482-103
Cage Code:
98897
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 5310-00-301-3121
What are the manufacturers of nsn 5310003013121?
Does this nsn 5310003013121 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310003013121
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 5310003013121 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310003013121 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310003013121?
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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