Model: 138502

Lock Washer

Properties:

Hole Diameter
Between 0.641 inches and 0.663 inches
Outside Diameter
Between 1.045 inches and 1.070 inches
Material Thickness
Between 0.042 inches and 0.050 inches
Material
Steel comp 1050 or steel comp 1551 or steel comp 1552 or steel comp 1053 or steel comp 1054 or steel comp 1055 or steel comp 1059 or steel comp 1060 or steel comp 1561 or steel comp 1062 or steel comp 1064
Material Specification
66 federal standard all material responses or aisi national specification all material responses or sae national specification all material responses
Surface Treatment
Cadmium or zinc
Style Designator
Flat external teeth
NSN
5310-00-013-8502
Part Number
138502
Description
Washer,lock
CAGE

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 138502 NSN 5310-00-013-8502

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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