Model: 02157-123

Lock Washer

Properties:

Hole Diameter
Between 0.255 inches and 0.267 inches
Outside Diameter
Between 0.466 inches and 0.478 inches
Material Thickness
Between 0.023 inches and 0.027 inches
Material
Steel
Surface Treatment
Cadmium
Style Designator
Flat internal teeth
NSN
5310-00-167-0719
Part Number
02157-123
Description
Washer,lock
CAGE
98853

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 02157-123 NSN 5310-00-167-0719

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

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Schedule B and Export
  • Schedule B: 7318210000
  • SITC: 69422
  • End Use: Finished metal shapes
  • NAICS: 332722
  • USDA: 1

Freight Class: Spring washers and other lock washers, iron or steel

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