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Lock Washer NSN 5310-00-939-0921

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 5310-00-939-0921 NSN: 5310-00-939-0921

Features and Characteristics

Hole Diameter
Between 0.641 inches and 0.663 inches
Outside Diameter
Between 1.045 inches and 1.070 inches
Material Thickness
Between 0.042 inches and 0.050 inches
Hardness Rating
Between 92.0 rockwell b and 97.0 rockwell b
Material
Copper alloy or copper alloy 425
Material Specification
Qq-b-750, comp a federal specification 1st material response or cda assn standard 2nd material response
Style Designator
Flat external teeth
Nondefinitive Specification/std Data
2 type and 1 style and 3 or 4 composition
FSC
5310 Nuts And Washers
NIIN
009390921
NSN
5310009390921

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
MS35335-95
Cage Code:
96906
Status:
A
MSDS:
Part Number:
MS35335-81
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: 7415210000
  • NAICS: 332722
  • SITC: 69432
  • Description: Copper washers including spring washers not threaded
  • End Use (Code 12300):
    Finished metal shapes

Q & A

Frequently asked questions for NSN 5310-00-939-0921
What are the manufacturers of nsn 5310009390921?
Does this nsn 5310009390921 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310009390921
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 5310009390921 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310009390921 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310009390921?
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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  •   Certificate of Conformance
  •   Quality Inspected Parts
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