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Key Washer NSN 5310-00-740-9979

Item Description

A washer of nonresilient material usually having two parallel bearing surfaces. The outside and/or inside edges have one or more protuberances. The ends and/or edges may be prebent at any angle or the protuberances may be prebent at any angle to the bearing surfaces. The keys or lugs may be fitted into keyways in adjacent material or they may be bent over after application to hold or lock one or more items in place. Excludes thrust type washer.

NSN 5310-00-740-9979 NSN: 5310-00-740-9979

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Features and Characteristics

Hole Diameter
Between 3.005 inches and 3.025 inches
Outside Diameter
5.000 inches
External Prebent Key Length
Between 0.094 inches and 0.156 inches
External Prebent Key Width
Between 0.156 inches and 0.219 inches
Distance From Centerline To Inside Of Prebent Key
2.375 inches
External Key Quantity
1
Material Thickness
Between 0.0615 inches and 0.0635 inches
Material
Copper alloy b
Material Specification
Mil-b-13501 federal specification 3rd material response
Style Designator
Key
FSC
5310 Nuts And Washers
NIIN
007409979
NSN
5310007409979

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
M305856
Cage Code:
61465
Status:
A
MSDS:
Part Number:
7409979
Cage Code:
19207
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 7415210000
  • NAICS: 332722
  • SITC: 69432
  • Description: Copper washers including spring washers not threaded
  • End Use (Code 12300):
    Finished metal shapes

Q & A

Frequently asked questions for NSN 5310-00-740-9979
What are the manufacturers of nsn 5310007409979?
Does this nsn 5310007409979 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310007409979
A washer of nonresilient material usually having two parallel bearing surfaces. the outside and/or inside edges have one or more protuberances. the ends and/or edges may be prebent at any angle or the protuberances may be prebent at any angle to the bearing surfaces. the keys or lugs may be fitted into keyways in adjacent material or they may be bent over after application to hold or lock one or more items in place. excludes thrust type washer.
Does nsn 5310007409979 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310007409979 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310007409979?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
01869
FIIG:
A022B0
App. Key:
A
Cond. Code:
1
Status:
A

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