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Key Washer NSN 5310-00-045-9557

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 5310-00-045-9557 NSN: 5310-00-045-9557

Features and Characteristics

Hole Diameter
Between 0.276 inches and 0.286 inches
Outside Diameter
0.451 inches
External Prebent Key Length
0.171 inches
External Straight Key Width
Between 0.250 inches and 0.260 inches
External Tapered Key Width
Between 0.250 inches and 0.260 inches
External Prebent Key Width
Between 0.110 inches and 0.115 inches
Distance From Centerline To Inside Of Prebent Key
Between 0.264 inches and 0.274 inches
Overall Distance Including Keys
Between 0.795 inches and 0.805 inches
Split Key Length
0.1275 inches
External Key Quantity
3
Material Thickness
Between 0.028 inches and 0.034 inches
Angle Between External Keys
Between 58.0 degrees and 62.0 degrees
Heat Treatment
Cold rolled
Material
Steel comp 1010
Surface Treatment
Cadmium
Style Designator
Key
FSC
5310 Nuts And Washers
NIIN
000459557
NSN
5310000459557

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
443802
Cage Code:
77445
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 5310-00-045-9557
What are the manufacturers of nsn 5310000459557?
Does this nsn 5310000459557 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5310000459557
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 5310000459557 contain any precious metals?
Precious metal content is unknown.
Does nsn 5310000459557 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5310000459557?
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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