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Lock Washer NSN 5310-01-205-2840

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 5310-01-205-2840 NSN: 5310-01-205-2840

Features and Characteristics

Hole Diameter
Between 4.08 millimeters and 4.26 millimeters
Outside Diameter
7.28 millimeters
Material Thickness
Between 0.046 millimeters and 0.091 millimeters
Color
Black
Material
Steel comp 302 or steel comp 303 or steel comp 304 or steel comp 304l or steel comp 305 or steel comp 309 or steel comp 310 or steel comp 316 or steel comp 316l or steel comp 317 or steel comp 321 or steel comp 322 or steel comp 324 or steel comp 347
Surface Treatment
Oxide
Surface Treatment Specification
Mil-c-13924, cl 4 military specification single treatment response
Style Designator
Split helical-right hand
FSC
5310 Nuts And Washers
NIIN
012052840
NSN
5310012052840

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
517707-5
Cage Code:
31550
Status:
A
MSDS:
Part Number:
A3013128-5
Cage Code:
80063
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 5310-01-205-2840
What are the manufacturers of nsn 5310012052840?
Does this nsn 5310012052840 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310012052840
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 5310012052840 contain any precious metals?
No precious metal content.
Does nsn 5310012052840 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310012052840?
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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