Model: U0400491

Lock Washer

Properties:

Hole Diameter

Between 0.502 inches and 0.512 inches

Outside Diameter

0.869 inches

Material Thickness

0.125 inches

End Application

Tow tractor, aircraft; transmission assembly; assembly, converter; tow tractor , a/c (p/n 4jpav, pcc: 6j9; special aircraft and engine tool and support equipment/parts

Part Name Assigned By Controlling Agency

1/2, medium split lock washers, zinc plated

Material

Steel

Material Specification

Sae j403 1055-1065 assn standard single material response

Surface Treatment

Zinc

Surface Treatment Specification

Astm b695, class 5. Type 1 (clear) assn standard single treatment response

Style Designator

Split helical-right hand

NSN

5310-01-564-3127

Part Number

U0400491

Description

Washer,lock

CAGE

F9980

A washer which is usually round with a centrally located hole. Its edges and two bearing surfaces are so designed that applied pressure brings into play the spring tension and/or frictional locking principle which materially resists any tendency toward turning. It may be made of one or two pieces

Part U0400491 NSN 5310-01-564-3127

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

14218

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:

194160

UFC:

55210

LTL:

50.0

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