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Lock Washer NSN 5310-01-055-7780

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 5310-01-055-7780 NSN: 5310-01-055-7780

Features and Characteristics

Hole Diameter
Between 0.255 inches and 0.267 inches
Outside Diameter
0.493 inches
Material Thickness
Between 0.062 inches and 0.072 inches
Hardness Rating
Between 45.0 rockwell c and 53.0 rockwell c
Material
Steel
Surface Treatment
Phosphate
Style Designator
Split helical-right hand
FSC
5310 Nuts And Washers
NIIN
010557780
NSN
5310010557780

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
DOD-P- TYZ CL2
Cage Code:
81349
Status:
A
MSDS:
Part Number:
124A9375AA104
Cage Code:
01288
Status:
A
MSDS:
Part Number:
N405P41
Cage Code:
01288
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 5310-01-055-7780
What are the manufacturers of nsn 5310010557780?
Does this nsn 5310010557780 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310010557780
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 5310010557780 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310010557780 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310010557780?
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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