Model: 1253-1

Spring Tension Washer

Properties:

Hole Diameter

Between 0.320 inches and 0.330 inches

Outside Diameter

1.125 inches

Overall Height

0.1563 inches

Material Thickness

0.040 inches

Part Name Assigned By Controlling Agency

Tension washer

Material

Copper alloy

Material Specification

Beryllum copper alloy 25, 1/4 hard mfr ref single material response

Surface Treatment

Cadmium or zinc

Surface Treatment Specification

Spec 0405 mfr ref 1st treatment response or astm b633, ty ii, yellow, sc 3 assn standard 2nd treatment response

Style Designator

Spring tension

NSN

5310-01-628-4317

Part Number

1253-1

Description

Washer,spring Tension

CAGE

0VTX0

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

Part 1253-1 NSN 5310-01-628-4317

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:

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Schedule B and Export

Schedule B: 7415210000
SITC: 69432
End Use: Finished metal shapes
NAICS: 332722
USDA: 1

Freight Class: Copper washers including spring washers not threaded