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Lock Washer NSN 5310-00-722-5639

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 5310-00-722-5639 NSN: 5310-00-722-5639

Features and Characteristics

Hole Diameter
Between 0.141 inches and 0.148 inches
Outside Diameter
0.250 inches
Material Thickness
Between 0.031 inches and 0.037 inches
Hardness Rating
Between 35.0 rockwell c and 45.0 rockwell c or 45.0 rockwell c and 53.0 rockwell c
Material
Steel comp 302 and steel comp 420
Material Specification
Fed standard 66 federal standard single material response
Surface Treatment
Passivate
Special Test Features
Fleet ballistic missile quality as identified by quality control no. Poso 911867
Surface Treatment Specification
Qq-p-35 federal specification single treatment response
Style Designator
Split helical-right hand
Departure From Cited Designator
As modified by special test features
FSC
5310 Nuts And Washers
NIIN
007225639
NSN
5310007225639

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
MS35338-79
Cage Code:
96906
Status:
A
MSDS:
Part Number:
272 366 351
Cage Code:
D3683
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 5310-00-722-5639
What are the manufacturers of nsn 5310007225639?
Does this nsn 5310007225639 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310007225639
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 5310007225639 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310007225639 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310007225639?
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

What do you get when you order from nationalstocknumber.org?

  •   On Time Delivery
  •   Certificate of Conformance
  •   Quality Inspected Parts
  •   Quality Fast Service
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