Model: U138-0100

Spring Tension Washer

Properties:

Hole Diameter

0.148 inches

Outside Diameter

0.322 inches

Overall Height

0.034 inches

Material Thickness

0.010 inches

Material

Steel

Material Specification

Mil-s-46049 military specification single material response

Surface Treatment

Nickel

Surface Treatment Specification

Mil-c-26074, c1, gr a military standard single treatment response

NSN

5310-01-056-7972

Part Number

U138-0100

Description

Washer,spring Tension

CAGE

83553

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

Part U138-0100 NSN 5310-01-056-7972

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:

177970

UFC:

87420

LTL:

NO RATING

LCL:

WCC:

579

TCC:

SHC:

ACC:

Instruments/Radio

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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