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Key Washer NSN 5310-01-091-1242

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 5310-01-091-1242 NSN: 5310-01-091-1242

Features and Characteristics

Hole Diameter
Between 0.250 inches and 0.255 inches
Outside Diameter
Between 0.345 inches and 0.355 inches
Internal Straight Key Width
Between 0.044 inches and 0.045 inches
Distance From Centerline To Top Of Internal Key
0.095 inches
Internal Key Quantity
2
Material Thickness
Between 0.021 inches and 0.029 inches
Hardness Rating
950.0 rockwell h
Material
Steel comp 631
Material Specification
Mil-s-25043 military specification single material response
Surface Treatment
Passivate
Surface Treatment Specification
Qq-p-35 federal specification single treatment response
Style Designator
Key
FSC
5310 Nuts And Washers
NIIN
010911242
NSN
5310010911242

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
CA21089-C-4R
Cage Code:
29372
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 5310-01-091-1242
What are the manufacturers of nsn 5310010911242?
Does this nsn 5310010911242 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310010911242
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 5310010911242 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310010911242 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310010911242?
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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