Model: R399P4D

Extended Washer Self-locking Nut

Properties:

Thread Class

Thread Direction

Right-hand

Locking Feature

Prevailing torque all metal design

Washer Outside Diameter

0.603 inches

Lubrication

Dry film lubricant

Overall Height

0.500 inches

Nut Style

Double hexagon

Washer Thickness

0.080 inches

Width Across Flats

Between 0.492 inches and 0.502 inches

Tempurature Rating

1200.0 degrees fahrenheit

Thread Series

Unjf

Thready Qty Per Inch (tpi)

Hardness Rating

Between 30.0 rockwell c and 40.0 rockwell c

Thread Size

0.375 inches

Material

Iron alloy 660

Material Specification

Ams5735 assn standard single material response

Precious Material

Silver

Surface Treatment

Silver

Surface Treatment Specification

Ams2410 assn standard single treatment response

Specification Data

07482-r399 manufacturers source control

NSN

5310-01-069-2739

Part Number

R399P4D

Description

Nut,self-locking,extended Washer

CAGE

07482

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 R399P4D NSN 5310-01-069-2739

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