Model: H39991-6

Extended Washer Self-locking Nut

Properties:

Thread Class

Thread Direction

Right-hand

Locking Feature

Prevailing torque all metal design

Washer Outside Diameter

0.598 inches

Overall Height

0.458 inches

Nut Style

Hexagon

Washer Thickness

0.060 inches

Width Across Flats

Between 0.430 inches and 0.439 inches

Thread Series

Unjf

Thready Qty Per Inch (tpi)

Hardness Rating

Between 38.0 rockwell c and 44.0 rockwell c

Thread Size

0.375 inches

Material

Steel comp 4130

Material Specification

Ams 6370 assn standard single material response

Surface Treatment

Cadmium

Surface Treatment Specification

Ams 2400 assn standard single treatment response

NSN

5310-00-168-7302

Part Number

H39991-6

Description

Nut,self-locking,extended Washer

CAGE

15653

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 H39991-6 NSN 5310-00-168-7302

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:

Packaging & Shipping

Est. Pack Size

Est. Pack Weight

Est. Item Weight

Est. Item Dim.

Pack Size:

Paclk Weight:

0.1000lbs

Item Weight:

Item Dim:

OPI

SPI No.

SPI Rev.

SPC Mkg.

LVL A

LVL B

OPI:

SPI No.:

SPI Rev.:

SPC Mkg:

LVL_A:

LVL_B:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

093486

UFC:

48950

LTL:

RATING VARIABLE

LCL:

WCC:

713

TCC:

SHC:

ACC:

Construction Materials

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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