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Lock Washer NSN 5310-00-031-0686

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 5310-00-031-0686 NSN: 5310-00-031-0686

Features and Characteristics

Hole Diameter
Between 0.195 inches and 0.204 inches
Outside Diameter
Between 0.556 inches and 0.569 inches
Overall Height
0.070 inches
Material Thickness
0.030 inches
Material
Steel
Style Designator
Dome external and internal teeth
FSC
5310 Nuts And Washers
NIIN
000310686
NSN
5310000310686

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
4810-09-01
Cage Code:
78189
Status:
A
MSDS:
Part Number:
2156406
Cage Code:
21340
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 5310-00-031-0686
What are the manufacturers of nsn 5310000310686?
Does this nsn 5310000310686 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310000310686
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 5310000310686 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310000310686 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310000310686?
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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