Model: LS5931C71

Spring Tension Washer

Properties:

Hole Diameter

Between 0.127 inches and 0.132 inches

Outside Diameter

Between 0.200 inches and 0.210 inches

Overall Height

Between 0.038 inches and 0.048 inches

Material Thickness

Between 0.005 inches and 0.015 inches

Hardness Rating

31.0 rockwell c and 35.0 rockwell c

Material

Iron alloy 660

Material Specification

Ams 5731 assn standard single material response or ams 5737 assn standard single material response or ams 5525 assn standard single material response

Surface Treatment

Cadmium and chromate

Surface Treatment Specification

Qq-p-416 type 2 class 2 federal specification single treatment response

Style Designator

Spring tension

NSN

5310-01-448-5209

Part Number

LS5931C71

Description

Washer,spring Tension

CAGE

98897

A bent spring metal washer with a centrally located hole. It is designed to exert pressure axially when assembled in place.

Part LS5931C71 NSN 5310-01-448-5209

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

15938

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:

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