Model: 120731

Lock Washer

Description:

1.144 inches hole diameter, 1.853 inches outside diameter, 0.281 inches material thickness, 45.0 rockwell c hardness rating, steel corrosion resisting material.

Properties:

Hole Diameter

Between 1.144 inches and 1.172 inches

Outside Diameter

1.853 inches

Material Thickness

Between 0.281 inches and 0.301 inches

Hardness Rating

Between 45.0 rockwell c and 53.0 rockwell c

Material

Stainless steel

Style Designator

Split helical-right hand

Nondefinitive Specification/std Data

2 style and a class

NSN

5310-00-012-0731

Part Number

120731

Description

Washer,lock

CAGE

7X677

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 120731 NSN 5310-00-012-0731

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