Model: 525-121-9004

Extended Washer Self-locking Nut

Properties:

Thread Class

Thread Pitch Diameters

+0.3554/+0.3624 inches

Thread Direction

Right-hand

Locking Feature

Free-running all metal design

Washer Outside Diameter

0.415 inches

Overall Height

0.300 inches

Nut Style

Double hexagon

Washer Thickness

0.056 inches

End Application

Hu-25 coast guard aircraft

Width Across Flats

0.348 inches

Thread Series

Unjf

Thread Size

1.0 millimeters

Thread Pitch In Millimeters

1.50

Thread Tolerance Class

6h internal

Material

Steel

Surface Treatment

Silver

NSN

5310-01-418-3945

Part Number

525-121-9004

Description

Nut,self-locking,extended Washer

CAGE

99193

A nut having 12 drive points, 24 sides, and an integral washer which extends beyond the points or periphery. An integral feature is incorporated for locking on the threads of a mating member.

Part 525-121-9004 NSN 5310-01-418-3945

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

29729

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