Model: BSSR-54003-3

Key Washer

Special Features:

Measurement from end of internal key to center of washer -2.47 to +2.48

Properties:

Hole Diameter
Between 5.130 inches and 5.140 inches
Outside Diameter
Between 5.555 inches and 5.575 inches
Internal Prebent Key Length
Between 0.115 inches and 0.135 inches
External Straight Key Width
Between 0.220 inches and 0.240 inches
Internal Prebent Key Width
Between 0.160 inches and 0.180 inches
Overall Distance Including Keys
Between 5.930 inches and 5.950 inches
External Key Quantity
12
Material Thickness
0.050 inches
End Application
C-17a aircraft
Material
Steel comp 302 or steel comp 304
Material Specification
Qq-s-766 cond a (annealed) federal specification single material response
Surface Treatment
Passivate
Surface Treatment Specification
Qq-p-35 federal specification single treatment response
Style Designator
Key
NSN
5310-01-543-8596
Part Number
BSSR-54003-3
Description
Washer,key
CAGE
81376

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 BSSR-54003-3 NSN 5310-01-543-8596

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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