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Key Washer NSN 5310-01-158-3544

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 5310-01-158-3544 NSN: 5310-01-158-3544

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Features and Characteristics

Hole Diameter
Between 0.249 inches and 0.254 inches
Outside Diameter
0.400 inches
External Prebent Key Length
0.120 inches
External Prebent Key Width
Between 0.059 inches and 0.070 inches
Distance From Centerline To Inside Of Prebent Key
Between 0.246 inches and 0.254 inches
Overall Distance Including Keys
Between 0.446 inches and 0.454 inches
Material Thickness
Between 0.022 inches and 0.028 inches
Special Features
Center hole shape, round w/flats, wth 0.250 nom in. Across rounded flats, wth 0.205 nom across flats
Color
Black
Material
Steel comp 303
Surface Treatment
Oxide
Surface Treatment Specification
Mil-std-171, 3.3.4 military standard single treatment response
Style Designator
Key
FSC
5310 Nuts And Washers
NIIN
011583544
NSN
5310011583544

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
SHH694-6
Cage Code:
81073
Status:
A
MSDS:
Part Number:
RT-207036
Cage Code:
13567
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 5310-01-158-3544
What are the manufacturers of nsn 5310011583544?
Does this nsn 5310011583544 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310011583544
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 5310011583544 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310011583544 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310011583544?
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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