Model: R281

Spring Tension Washer

Properties:

Hole Diameter

0.221 inches

Outside Diameter

1.000 inches

Overall Height

0.1562 inches

Material Thickness

0.012 inches

Part Name Assigned By Controlling Agency

Navy special project

Material

Copper alloy

Surface Treatment

Nickel

NSN

5310-00-141-3136

Part Number

R281

Description

Washer,spring Tension

CAGE

54978

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

Part R281 NSN 5310-00-141-3136

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:

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