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Key Washer NSN 5310-00-527-5581

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 5310-00-527-5581 NSN: 5310-00-527-5581

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Features and Characteristics

Hole Diameter
Between 0.440 inches and 0.450 inches
Outside Diameter
0.625 inches
External Prebent Key Length
0.128 inches
External Prebent Key Width
Between 0.187 inches and 0.219 inches
Distance From Centerline To Inside Of Prebent Key
0.4372 inches
Overall Distance Including Keys
Between 0.790 inches and 0.810 inches
Material Thickness
Between 0.0338 inches and 0.0538 inches
External Prebent Key Angle
90.0 degrees
Special Features
Inside diameter has a 12-point hole shape
Material
Steel comp 1025
Material Specification
Qq-s-633 federal specification single material response
Surface Treatment
Phosphate
Style Designator
Key
FSC
5310 Nuts And Washers
NIIN
005275581
NSN
5310005275581

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
5025613
Cage Code:
19200
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 5310-00-527-5581
What are the manufacturers of nsn 5310005275581?
Does this nsn 5310005275581 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310005275581
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 5310005275581 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310005275581 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310005275581?
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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