Model: MS51943-31

Hexagon Self-locking Nut

Properties:

Thread Class

Thread Direction

Right-hand

Locking Feature

Prevailing torque with nonmetallic insert

Nut Style

Hexagon

Nut Height

0.328 inches

End Application

Mrap - cougar tow

Width Across Flats

Between 0.428 inches and 0.439 inches

Tempurature Rating

250.0 degrees fahrenheit

Thread Series

Unc

Thready Qty Per Inch (tpi)

Hardness Rating

Between 26.0 rockwell c and 35.0 rockwell c

Thread Size

0.250 inches

Bearing Surface Type

Chamfered or washer faced

Material

Plastic polyamide locking insert

Material

Steel nut

Surface Treatment

Cadmium and chromate

Surface Treatment

Cadmium and chromate

Surface Treatment Specification

Qq-p-416, type 2, cl 3 federal specification single treatment response except insert

NSN

5310-00-061-4650

Part Number

MS51943-31

Description

Nut,self-locking,hexagon

CAGE

96906

A nut having a flat bottom and 6 sides. An integral feature is incorporated for locking on the threads of a mating member. Excludes nut (1), self-locking, cap.

Part MS51943-31 NSN 5310-00-061-4650

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

05277

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:

0.9000lbs

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:

573

TCC:

SHC:

ACC:

Construction Materials

End Items End applications NSN 5310-00-061-4650 is a component of

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Full Tracked Recovery Vehicle
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Cargo Carrier
013450478
Power Driven Hydraulic Pumping Unit
013723935
Ambulance Truck
013808229
Utility Truck
010543833
Fork Lift Truck
010543833
Fork Lift Truck
010543833
Fork Lift Truck
010543833
Fork Lift Truck
010543833
Fork Lift Truck
014332550
Engine Lubricating Oil Cooler
014133739
Utility Truck
011035641
Air-antitank Defense Missile System Carrier
005699372
Van Semitrailer
002555051
Portable Duct Type Heater
011467193
Utility Truck
011077153
Utility Truck

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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