Model: 12Z22PC158

Lock Washer

Properties:

Hole Diameter
Between 0.383 inches and 0.398 inches
Outside Diameter
0.692 inches
Material Thickness
0.036 inches
Hardness Rating
Between 40.0 rockwell c and 50.0 rockwell c
Material
Steel
Material Specification
Fed standard 66 federal standard single material response
Style Designator
Flat internal teeth
Departure From Cited Document
As modified by the surf treatment
Departure From Cited Designator
As modified by the surf treatment
NSN
5310-00-274-8288
Part Number
12Z22PC158
Description
Washer,lock
CAGE
10001

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 12Z22PC158 NSN 5310-00-274-8288

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:
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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