Model: NAS1443S9

Lock Washer

Properties:

Hole Diameter

1.844 inches

Outside Diameter

Between 1.916 inches and 1.926 inches

Overall Height

Between 0.346 inches and 0.356 inches

Material Thickness

0.125 inches

Color

Black

Material

Steel comp 4130

Material Specification

Mil-s-18729 military specification single material response or mil-s-6758 military specification single material response

Surface Treatment

Oxide

Surface Treatment Specification

Mil-c-13924 cl1 grade c military specification single treatment response

Style Designator

External teeth

NSN

5310-01-515-3341

Part Number

NAS1443S9

Description

Washer,lock

CAGE

80205

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 NAS1443S9 NSN 5310-01-515-3341

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:

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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