Model: 4

Lock Washer

Properties:

Hole Diameter

Between 0.116 inches and 0.123 inches

Outside Diameter

Between 0.255 inches and 0.265 inches

Material Thickness

0.015 inches

Material

Steel

Surface Treatment

Cadmium and chromate

Style Designator

Flat internal teeth

NSN

5310-00-680-6570

Part Number

Description

Washer,lock

CAGE

05649

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 4 NSN 5310-00-680-6570

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