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Key Washer NSN 5310-01-057-4284

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 5310-01-057-4284 NSN: 5310-01-057-4284

Features and Characteristics

Hole Diameter
Between 3.988 inches and 4.018 inches
Outside Diameter
Between 4.406 inches and 4.426 inches
Internal Prebent Key Length
Between 0.250 inches and 0.312 inches
External Prebent Key Width
Between 0.297 inches and 0.327 inches
Internal Prebent Key Width
Between 0.340 inches and 0.360 inches
Overall Distance Including Keys
Between 4.970 inches and 5.000 inches
External Key Quantity
19
Material Thickness
Between 0.058 inches and 0.068 inches
Material
Steel comp 8735
Material Specification
66 federal standard single material response
Surface Treatment
Phosphate
Surface Treatment Specification
Mil-c-16232 ty2 military specification single treatment response
Style Designator
Key
FSC
5310 Nuts And Washers
NIIN
010574284
NSN
5310010574284

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
MS19069A20
Cage Code:
96906
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 5310-01-057-4284
What are the manufacturers of nsn 5310010574284?
Does this nsn 5310010574284 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310010574284
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 5310010574284 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310010574284 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310010574284?
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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