Model: 712122

Lock Washer

Properties:

Hole Diameter
Between 0.221 inches and 0.231 inches
Outside Diameter
Between 0.670 inches and 0.690 inches
Material Thickness
Between 0.032 inches and 0.040 inches
Hardness Rating
Between 40.0 rockwell c and 50.0 rockwell c
Material
Steel comp 1060 or steel comp 1070 or steel comp 1078 or steel comp 1080
Material Specification
Astm a576 assn standard all material responses
Surface Treatment
Cadmium or zinc
Style Designator
Flat external and internal teeth
NSN
5310-00-017-8397
Part Number
712122
Description
Washer,lock
CAGE
12204

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 712122 NSN 5310-00-017-8397

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:
A
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
194160
UFC:
55210
LTL:
50.0
LCL:
50.0
WCC:
713
TCC:
Z
SHC:
9
ACC:
Construction Materials

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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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