Model: 639301-104

Key Washer

Properties:

Hole Diameter
0.376 inches
Outside Diameter
0.515 inches
External Prebent Key Length
Between 0.052 inches and 0.067 inches
External Prebent Key Width
0.110 inches
Internal Straight Key Width
Between 0.053 inches and 0.060 inches
Distance From Centerline To Top Of Internal Key
0.158 inches
Distance From Centerline To Inside Of Prebent Key
0.257 inches
Overall Distance Including Keys
0.609 inches
Material Thickness
Between 0.028 inches and 0.034 inches
Material
Steel comp 316
Material Specification
66 federal standard single material response
Surface Treatment
Passivate
Style Designator
Key
NSN
5310-00-857-5398
Part Number
639301-104
Description
Washer,key
CAGE
12436

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.

Part 639301-104 NSN 5310-00-857-5398

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
01869
FIIG:
A022B0
Concept No.:
1
App. Key:
A
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
U
ESD:
ESD:
MMAC:
CRITL:
X

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Schedule B and Export
  • Schedule B: 7318220000
  • SITC: 69422
  • End Use: Finished metal shapes
  • NAICS: 332722
  • USDA: 1

Freight Class: Washers other than lock washers, iron or steel

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