Model: 0639031001

Lock Washer

Properties:

Hardness Rating

Between 34.0 rockwell c and 38.0 rockwell c

Material

Steel comp 4130

Material Specification

Mil-s-18729 military specification single material response

Surface Treatment

Oxide

Surface Treatment Specification

Mil-c-13924 military specification single treatment response

NSN

5310-01-066-4901

Part Number

0639031001

Description

Washer,lock

CAGE

D8124

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 0639031001 NSN 5310-01-066-4901

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