Model: 395-643-0001

Spring Tension Washer

Properties:

Hole Diameter

Between 0.406 inches and 0.416 inches

Outside Diameter

Between 0.610 inches and 0.620 inches

Overall Height

0.055 inches

Material Thickness

Between 0.011 inches and 0.013 inches

Hardness Rating

Between 37.0 rockwell c and 44.0 rockwell c

Material

Copper alloy 172

Material Specification

Qq-c-533 federal specification single material response

Style Designator

Spring tension

NSN

5310-00-246-6353

Part Number

395-643-0001

Description

Washer,spring Tension

CAGE

58880

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

Part 395-643-0001 NSN 5310-00-246-6353

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

Freight Class: Copper washers including spring washers not threaded