Model: 178571

Lock Washer

Properties:

Hole Diameter

Between 0.448 inches and 0.464 inches

Outside Diameter

1.0625 inches

Material Thickness

0.042 inches

Material

Steel

Material Specification

Fed standard 66, aisi c1060 through c1080 or sae 1060 through 1080 federal standard all material responses

Surface Treatment

Cadmium or zinc

Style Designator

Flat external and internal teeth

NSN

5310-00-017-8571

Part Number

178571

Description

Washer,lock

CAGE

7X677

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 178571 NSN 5310-00-017-8571

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:

713

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