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Lock Washer NSN 5310-01-298-1987

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 5310-01-298-1987 NSN: 5310-01-298-1987

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Features and Characteristics

Hole Diameter
Between 0.088 inches and 0.094 inches
Outside Diameter
0.172 inches
Material Thickness
Between 0.020 inches and 0.026 inches
Hardness Rating
Between 35.0 rockwell c and 43.0 rockwell c
Part Name Assigned By Controlling Agency
Navy special project
Special Features
Apply black oxide finish
Material
Steel comp 302
Surface Treatment
Passivate
Surface Treatment Specification
Qq-p-35 federal specification 1st treatment response
Style Designator
Split helical-right hand
Specification Data
80205-nas1640 professional/industrial association standard
Fsc Application Data
Ecm set, model an/alq86-air
FSC
5310 Nuts And Washers
NIIN
012981987
NSN
5310012981987

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
1026546-134
Cage Code:
04660
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 5310-01-298-1987
What are the manufacturers of nsn 5310012981987?
Does this nsn 5310012981987 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310012981987
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 5310012981987 contain any precious metals?
No precious metal content.
Does nsn 5310012981987 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310012981987?
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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