Model: 54661

Key Washer

Properties:

Hole Diameter
0.300 inches
Outside Diameter
Between 0.462 inches and 0.472 inches
Internal Prebent Key Length
Between 0.035 inches and 0.065 inches
Internal Prebent Key Width
Between 0.050 inches and 0.060 inches
Distance From Centerline To Top Of Internal Key
Between 0.175 inches and 0.205 inches
Distance From Centerline To Inside Of Prebent Key
0.150 inches
Material Thickness
0.125 inches
End Application
C-17a aircraft
Part Name Assigned By Controlling Agency
Washer, cup
Material
Steel comp 304
Material Specification
Qq-s-766 federal specification single material response
Surface Treatment
Passivate
Surface Treatment Specification
Sps209method 1 mfr ref single treatment response
Style Designator
Key
NSN
5310-01-542-9869
Part Number
54661
Description
Washer,key
CAGE
99643

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 54661 NSN 5310-01-542-9869

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:
A
ESD:
A
ESD:
A
MMAC:
BA
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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