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Key Washer NSN 5310-00-740-3378

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 5310-00-740-3378 NSN: 5310-00-740-3378

Features and Characteristics

Hole Diameter
Between 0.970 inches and 0.990 inches
Outside Diameter
Between 1.370 inches and 1.390 inches
Internal Prebent Key Length
Between 0.368 inches and 0.408 inches
Internal Prebent Key Width
Between 0.190 inches and 0.210 inches
Distance From Centerline To Inside Of Prebent Key
Between 0.390 inches and 0.410 inches
Internal Key Quantity
2
Material Thickness
Between 0.022 inches and 0.042 inches
Hardness Rating
62.0 rockwell a
Special Features
Centerline of second key located 22 degrees and 30 minutes counterclockwise from centerline of first key
Heat Treatment
As fabricated
Material
Steel
Material Specification
Ams6350 assn standard single material response
Surface Treatment
Oxide film
Surface Treatment Specification
Ams2485 assn standard single treatment response
FSC
5310 Nuts And Washers
NIIN
007403378
NSN
5310007403378

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
1-080-267-01
Cage Code:
99193
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 7318220000
  • NAICS: 332722
  • SITC: 69422
  • Description: Washers other than lock washers, iron or steel
  • End Use (Code 12300):
    Finished metal shapes

Q & A

Frequently asked questions for NSN 5310-00-740-3378
What are the manufacturers of nsn 5310007403378?
Does this nsn 5310007403378 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310007403378
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 5310007403378 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310007403378 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310007403378?
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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