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Lock Washer NSN 5310-00-052-9721

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 5310-00-052-9721 NSN: 5310-00-052-9721

Features and Characteristics

Hole Diameter
Between 0.195 inches and 0.204 inches
Outside Diameter
Between 0.740 inches and 0.760 inches
Material Thickness
Between 0.032 inches and 0.040 inches
Hardness Rating
Between 40.0 rockwell c and 50.0 rockwell c
Material
Steel comp 1050 or steel comp 1551 or steel comp 1552 or steel comp 1053 or steel comp 1055 or steel comp 1060
Material Specification
66 federal standard all material responses
Surface Treatment
Cadmium and chromate
Surface Treatment Specification
Qq-p-416, type 2, cl 3 federal specification single treatment response
Style Designator
Flat external and internal teeth
FSC
5310 Nuts And Washers
NIIN
000529721
NSN
5310000529721

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
MS45904-62
Cage Code:
96906
Status:
A
MSDS:
Part Number:
5310000529721
Cage Code:
SCY13
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 5310-00-052-9721
What are the manufacturers of nsn 5310000529721?
Does this nsn 5310000529721 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310000529721
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 5310000529721 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310000529721 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310000529721?
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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  •   On Time Delivery
  •   Certificate of Conformance
  •   Quality Inspected Parts
  •   Quality Fast Service
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