Model: SM-B-374966

Spring Tension Washer

Properties:

Hole Diameter

Between 0.255 inches and 0.265 inches

Outside Diameter

Between 0.495 inches and 0.505 inches

Overall Height

Between 0.070 inches and 0.090 inches

Material Thickness

0.007 inches

Hardness Rating

35.0 rockwell c

Material

Copper alloy 172

Material Specification

Qq-c-533 federal specification single material response

Precious Material And Location

All surfaces silver

Precious Material

Silver

Surface Treatment

Silver and chromate

Surface Treatment Specification

Qq-s-365, grade a federal specification single treatment response

NSN

5310-01-160-2056

Part Number

SM-B-374966

Description

Washer,spring Tension

CAGE

80063

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

Part SM-B-374966 NSN 5310-01-160-2056

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:

194120

UFC:

95100

LTL:

RATING VARIABLE

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