Model: 172B5159P1

Lock Washer

Special Features:

2 projections 0.065in.High on bearing surface

Properties:

Hole Diameter

0.190 inches

Outside Diameter

0.440 inches

Overall Height

0.180 inches

Surface Finish

63.0 microinches all surfaces

Material

Steel comp 303

Material Specification

Astm a581 cond a assn standard single material response or astm a582 cond a assn standard single material response

NSN

5310-01-187-5406

Part Number

172B5159P1

Description

Washer,lock

CAGE

89954

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 172B5159P1 NSN 5310-01-187-5406

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:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

194160

UFC:

55210

LTL:

50.0

LCL:

50.0

WCC:

573

TCC:

SHC:

ACC:

Equipment for Aircraft

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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