Model: 220798

Key Washer

Properties:

Hole Diameter
Between 0.251 inches and 0.253 inches
Outside Diameter
Between 0.4844 inches and 0.5156 inches
External Prebent Key Length
Between 0.056 inches and 0.061 inches
External Prebent Key Width
Between 0.182 inches and 0.192 inches
Distance From Centerline To Inside Of Prebent Key
0.312 inches
Overall Distance Including Keys
0.625 inches
Material Thickness
0.064 inches
Material
Copper alloy 260
Material Specification
Qq-b-613 federal specification single material response
Surface Treatment
Cadmium
Surface Treatment Specification
Qq-p-416, type 2, cl 2 federal specification single treatment response
Style Designator
Key
NSN
5310-00-638-5125
Part Number
220798
Description
Washer,key
CAGE
1PQF4

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 220798 NSN 5310-00-638-5125

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

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
194160
UFC:
55210
LTL:
50.0
LCL:
--
WCC:
573
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 7415210000
  • SITC: 69432
  • End Use: Finished metal shapes
  • NAICS: 332722
  • USDA: 1

Freight Class: Copper washers including spring washers not threaded

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