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Lock Washer NSN 5310-01-389-4257

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 5310-01-389-4257 NSN: 5310-01-389-4257

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Features and Characteristics

Hole Diameter
Between 0.377 inches and 0.385 inches
Outside Diameter
0.680 inches
Material Thickness
0.094 inches
Hardness Rating
90.0 rockwell b
Material
Steel
Surface Treatment
Cadmium and chromate
Surface Treatment Specification
Qq-p-416 ty2, cl3 federal specification single treatment response
Style Designator
Split helical-right hand
FSC
5310 Nuts And Washers
NIIN
013894257
NSN
5310013894257

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
MS35338-046
Cage Code:
80205
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 5310-01-389-4257
What are the manufacturers of nsn 5310013894257?
Does this nsn 5310013894257 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310013894257
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 5310013894257 contain any precious metals?
No precious metal content.
Does nsn 5310013894257 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310013894257?
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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