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.:

App. Key:

Cond. Code:

Status:

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

194160

UFC:

55210

LTL:

50.0

LCL:

50.0

WCC:

713

TCC:

SHC:

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