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Lock Washer NSN 5310-01-178-1305

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 5310-01-178-1305 NSN: 5310-01-178-1305

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Features and Characteristics

Hole Diameter
Between 0.640 inches and 0.663 inches
Outside Diameter
Between 1.045 inches and 1.071 inches
Material Thickness
Between 0.042 inches and 0.050 inches
Hardness Rating
Between 40.0 rockwell c and 50.0 rockwell c
Material
Steel
Style Designator
Flat internal teeth
FSC
5310 Nuts And Washers
NIIN
011781305
NSN
5310011781305

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
91100374N
Cage Code:
82796
Status:
A
MSDS:
Part Number:
91100374
Cage Code:
82796
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 5310-01-178-1305
What are the manufacturers of nsn 5310011781305?
Does this nsn 5310011781305 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310011781305
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 5310011781305 contain any precious metals?
No precious metal content.
Does nsn 5310011781305 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310011781305?
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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