Model: 124D91

Extended Washer Self-locking Nut

Properties:

Thread Class

Thread Direction

Right-hand

Locking Feature

Prevailing torque all metal design

Washer Outside Diameter

Between 0.740 inches and 0.760 inches

Overall Height

Between 0.390 inches and 0.410 inches

Nut Style

Hexagon

Washer Thickness

Between 0.050 inches and 0.070 inches

Width Across Flats

Between 0.493 inches and 0.500 inches

Thread Series

Unf

Thready Qty Per Inch (tpi)

Hardness Rating

Between 19.0 rockwell c and 26.0 rockwell c

Thread Size

0.312 inches

Material

Steel comp 8740 or steel comp 4140

Material Specification

Ams 6322 assn standard 1st material response or ams 6382 assn standard 2nd material response

Surface Treatment

Cadmium

Surface Treatment Specification

Ams 2400 assn standard single treatment response

NSN

5310-00-514-8821

Part Number

124D91

Description

Nut,self-locking,extended Washer

CAGE

0AHP5

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 124D91 NSN 5310-00-514-8821

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:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

093486

UFC:

48950

LTL:

RATING VARIABLE

LCL:

50.0

WCC:

573

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