Model: 4D0098-1

Extended Washer Self-locking Nut

Properties:

Thread Class

Thread Direction

Right-hand

Locking Feature

Prevailing torque all metal design

Washer Outside Diameter

Between 0.990 inches and 1.010 inches

Lubrication

Dry film lubricant

Overall Height

Between 0.536 inches and 0.556 inches

Washer Thickness

Between 0.060 inches and 0.080 inches

Width Across Flats

Between 0.427 inches and 0.447 inches

Thread Series

Unjf

Thready Qty Per Inch (tpi)

Thread Size

0.250 inches

Material

Steel comp 303

Material Specification

Astm a582 assn standard single material response

Precious Material And Location

All surfaces silver

Precious Material

Silver

Surface Treatment

Silver

Surface Treatment Specification

Ams 2410 assn standard single treatment response

NSN

5310-01-381-2189

Part Number

4D0098-1

Description

Nut,self-locking,extended Washer

CAGE

88277

A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery. An integral feature is incorporated for locking on the threads of a mating member.

Part 4D0098-1 NSN 5310-01-381-2189

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

29730

FIIG:

A021A0

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: 7318160000
SITC: 69421
End Use: Finished metal shapes
NAICS: 332722
USDA: 1

Freight Class: Nuts of iron or steel