Model: 4M64CR4

Spring Tension Washer

Properties:

Hole Diameter

Between 0.251 inches and 0.257 inches

Outside Diameter

Between 0.490 inches and 0.510 inches

Overall Height

Between 0.087 inches and 0.107 inches

Material Thickness

0.010 inches

Hardness Rating

Between 39.0 rockwell c and 45.0 rockwell c

Color

Olive drab

Material

Steel comp 302 or steel comp 631

Material Specification

Mil-s-25043 military specification single material response

Surface Treatment

Passivate

Style Designator

Spring tension

NSN

5310-01-424-8493

Part Number

4M64CR4

Description

Washer,spring Tension

CAGE

86928

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

Part 4M64CR4 NSN 5310-01-424-8493

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:

Packaging & Shipping

Est. Pack Size

Est. Pack Weight

Est. Item Weight

Est. Item Dim.

Pack Size:

Paclk Weight:

0.1000lbs

Item Weight:

Item Dim:

OPI

SPI No.

SPI Rev.

SPC Mkg.

LVL A

LVL B

OPI:

SPI No.:

SPI Rev.:

SPC Mkg:

LVL_A:

LVL_B:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

093486

UFC:

48950

LTL:

RATING VARIABLE

LCL:

WCC:

576

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