Model: 120383

Lock Washer

Properties:

Hole Diameter

Between 0.446 inches and 0.459 inches

Outside Diameter

0.779 inches

Material Thickness

Between 0.109 inches and 0.119 inches

Hardness Rating

Between 45.0 rockwell c and 53.0 rockwell c

Material

Steel comp 1060 or steel comp 1561 or steel comp 1064 or steel comp 1065 or steel comp 1566 or steel comp 1069 or steel comp 1070 or steel comp 1071 or steel comp 1572 or steel comp 1074 or steel comp 1075 or steel comp 1078 or steel comp 1080

Material Specification

66 federal standard all material responses

Surface Treatment

Cadmium

Surface Treatment Specification

Qq-p-416 federal specification 1st treatment response or qq-z-325 federal specification 2nd treatment response

Style Designator

Split helical-right hand

NSN

5310-00-194-0743

Part Number

120383

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 120383 NSN 5310-00-194-0743

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:

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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