Model: 1287041-1

Spring Tension Washer

Properties:

Hole Diameter

Between 1.320 inches and 1.325 inches

Outside Diameter

2.244 inches

Overall Height

Between 0.087 inches and 0.095 inches

Material Thickness

Between 0.034 inches and 0.036 inches

Hardness Rating

Between 43.0 rockwell c and 48.0 rockwell c

Material

Steel comp 1095

Material Specification

Mil-s-7947, cond a military specification single material response

Surface Treatment

Cadmium and chromate

Surface Treatment Specification

Mil-s-171 military specification 1st treatment response and mil-s-171 military specification 2nd treatment response

Style Designator

Spring tension

NSN

5310-00-656-0206

Part Number

1287041-1

Description

Washer,spring Tension

CAGE

55972

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

Part 1287041-1 NSN 5310-00-656-0206

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:

50.0

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