Model: 815921

Spring Tension Washer

Properties:

Hole Diameter

0.234 inches

Material Thickness

Between 0.010 inches and 0.012 inches

Hardness Rating

Between 40.0 rockwell c and 44.0 rockwell c

Part Name Assigned By Controlling Agency

Navy special project

Material

Steel comp 1095

Material Specification

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

Surface Treatment

Cadmium

NSN

5310-00-756-4051

Part Number

815921

Description

Washer,spring Tension

CAGE

99251

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

Part 815921 NSN 5310-00-756-4051

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