Model: LHL9249-5-4

Clinch Self-locking Nut

Properties:

Thread Class

Thread Direction

Right-hand

Locking Feature

Prevailing torque all metal design

Pilot Diameter

Between 0.304 inches and 0.308 inches

Pilot Length

Between 0.075 inches and 0.095 inches

Nut Diameter

Between 0.412 inches and 0.432 inches

Nut Height

Between 0.387 inches and 0.392 inches

Thread Series

Unjf

Thready Qty Per Inch (tpi)

Hardness Rating

Between 25.0 rockwell c and 31.0 rockwell c

Thread Size

0.250 inches

Material

Steel comp 8740

Material Specification

Ams 6322 assn standard single material response

Surface Treatment

Cadmium

Surface Treatment Specification

Ams 2400 assn standard single treatment response

NSN

5310-00-153-8400

Part Number

LHL9249-5-4

Description

Nut,self-locking,clinch

CAGE

019L2

A nut having a sleeve portion on its under side, which can be crimped or clinched to hold the item in place when inserted in a hole. An integral feature is incorporated for locking.

Part LHL9249-5-4 NSN 5310-00-153-8400

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

15892

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:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

126900

UFC:

65750

LTL:

RATING VARIABLE

LCL:

WCC:

593

TCC:

SHC:

ACC:

Trailers/Vehicles

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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