Model: 20500-22

Lock Washer

Special Features:

Dyed deep yellow

Properties:

Hole Diameter
Between 0.168 inches and 0.178 inches
Outside Diameter
0.296 inches
Material Thickness
Between 0.040 inches and 0.046 inches
Material
Copper alloy
Surface Treatment
Cadmium and chromate
Style Designator
Split helical-right hand
Departure From Cited Designator
As modified by material spec
NSN
5310-00-167-0660
Part Number
20500-22
Description
Washer,lock
CAGE
19315

A washer which is usually round with a centrally located hole. Its edges and two bearing surfaces are so designed that applied pressure brings into play the spring tension and/or frictional locking principle which materially resists any tendency toward turning. It may be made of one or two pieces

Part 20500-22 NSN 5310-00-167-0660

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
14218
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:
194120
UFC:
95100
LTL:
RATING VARIABLE
LCL:
70.0
WCC:
713
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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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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