Model: MS14144L20

Extended Washer Self-locking Nut

Properties:

Thread Class

Thread Direction

Right-hand

Locking Feature

Prevailing torque all metal design

Washer Outside Diameter

1.875 inches

Lubrication

Dry film lubricant

Overall Height

Between 1.235 inches and 1.265 inches

Nut Style

Castellated hexagon

Washer Thickness

0.140 inches

End Application

C-17a

Width Across Flats

Between 1.364 inches and 1.383 inches

Tempurature Rating

450.0 degrees fahrenheit

Thread Series

Unjf

Thready Qty Per Inch (tpi)

Thread Size

1.250 inches

Bearing Surface Finish

125.0 microinches

Material

Steel comp 1035 or steel comp 1042 or steel comp 1050 or steel comp 1137 or steel comp 4027 or steel comp 4037 or steel comp 8740

Material Specification

Ams5080 assn standard 1st material response or qq-s-700 federal specification 2nd material response or ams5085 assn standard 3rd material response or amd5024 assn standard 4th material response or ams5020 assn standard 5th material response or astma322 assn standard 6th material response or astma322 assn standard 7th material response or ams6322 assn standard 8th material response

Surface Treatment

Cadmium

Surface Treatment Specification

Qq-p-416 federal specification single treatment response

NSN

5310-01-467-6355

Part Number

MS14144L20

Description

Nut,self-locking,extended Washer

CAGE

96906

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 MS14144L20 NSN 5310-01-467-6355

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:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

093490

UFC:

50270

LTL:

50.0

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