Model: 74735-524

Extended Washer Self-locking Nut

Properties:

Thread Class

Thread Direction

Right-hand

Locking Feature

Prevailing torque all metal design

Washer Outside Diameter

0.520 inches

Overall Height

0.266 inches

Nut Style

Hexagon

Washer Thickness

0.040 inches

Width Across Flats

Between 0.367 inches and 0.378 inches

Tempurature Rating

850.0 degrees fahrenheit

Thread Series

Unjf

Thready Qty Per Inch (tpi)

Hardness Rating

Between 32.0 rockwell c and 48.0 rockwell c

Thread Size

0.312 inches

Material

Iron alloy 660

Material Specification

Ams 5525 assn standard 1st material response or ams 5732 assn standard 2nd material response

NSN

5310-01-486-1024

Part Number

74735-524

Description

Nut,self-locking,extended Washer

CAGE

56878

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 74735-524 NSN 5310-01-486-1024

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