Model: LH13374-40LH

Extended Washer Self-locking Nut

Properties:

Thread Class

Thread Direction

Left-hand

Locking Feature

Prevailing torque all metal design

Washer Outside Diameter

0.620 inches

Overall Height

Between 0.267 inches and 0.282 inches

Nut Style

Hexagon

Washer Thickness

0.030 inches

Width Across Flats

Between 0.430 inches and 0.440 inches

Thread Series

Unjf

Thready Qty Per Inch (tpi)

Hardness Rating

49.0 rockwell c

Thread Size

0.375 inches

Material

Steel comp 4340 or steel comp 8740 or steel comp 4037

Material Specification

Ams 6415 assn standard single material response or ams 6414 assn standard single material response or ams 6322 assn standard single material response or ams 6300 assn standard single material response

Surface Treatment

Cadmium

Surface Treatment Specification

Qq-p-416, type ii, class 2 federal specification single treatment response

NSN

5310-01-349-9416

Part Number

LH13374-40LH

Description

Nut,self-locking,extended Washer

CAGE

72962

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 LH13374-40LH NSN 5310-01-349-9416

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:

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:

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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