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Lock Washer NSN 5310-00-543-4431

Item Description

A washer which is usually round with a centrally located hole. Its edges and two bearing surfaces are so designed that applied pressure brings into play the spring tension and/or frictional locking principle which materially resists any tendency toward turning. It may be made of one or two pieces

NSN 5310-00-543-4431 NSN: 5310-00-543-4431

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Features and Characteristics

Hole Diameter
Between 0.319 inches and 0.333 inches
Outside Diameter
0.575 inches
Material Thickness
Between 0.056 inches and 0.066 inches
Hardness Rating
Between 35.0 rockwell c and 43.0 rockwell c
Material
Steel comp 301
Material Specification
Fed standard 66, cres 300series federal standard single material response
Surface Treatment
Passivate
Surface Treatment Specification
Qq-p-35 federal specification single treatment response
Style Designator
Split helical-right hand
Nondefinitive Specification/std Data
1 style and b or c class
FSC
5310 Nuts And Washers
NIIN
005434431
NSN
5310005434431

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
MS35337-83
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: 7318210000
  • NAICS: 332722
  • SITC: 69422
  • Description: Spring washers and other lock washers, iron or steel
  • End Use (Code 12300):
    Finished metal shapes

Q & A

Frequently asked questions for NSN 5310-00-543-4431
What are the manufacturers of nsn 5310005434431?
Does this nsn 5310005434431 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310005434431
A washer which is usually round with a centrally located hole. its edges and two bearing surfaces are so designed that applied pressure brings into play the spring tension and/or frictional locking principle which materially resists any tendency toward turning. it may be made of one or two pieces
Does nsn 5310005434431 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310005434431 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310005434431?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
14218
FIIG:
A022B0
App. Key:
A
Cond. Code:
1
Status:
A

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