Model: 90949A031

Hexagon Self-locking Nut

Special Features:

The top of the nut is compressed to form an oval-shaped locking zone. Provides a 360 degree locking zone. Nuts twist freely on a bolt or stud until they makecontact with the locking zone.Then they expand to an almost circular shape creating locking compression. Flange diameter is .828 inches and the flange width is 0.06 inches.

Properties:

Thread Direction

Right-hand

Nut Style

Hexagon

Nut Height

0.421 inches

End Application

Route clearance - common nsn - used on legacy jerrv 6x6 and cougar 4x4 and 1 other weapon system including 21n - nuclear reactors program

Width Across Flats

0.562 inches

Thready Qty Per Inch (tpi)

Part Name Assigned By Controlling Agency

Shroud nut , conical top and flange, deformed-thread locknuts

Material

Steel

NSN

5310-01-535-1188

Part Number

90949A031

Description

Nut,self-locking,hexagon

CAGE

39428

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 90949A031 NSN 5310-01-535-1188

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:

0.1000lbs

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:

576

TCC:

SHC:

ACC:

Construction Materials

Pricing & Availability Check

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Schedule B and Export

Schedule B: 8710000090
SITC: 89111
End Use: Military trucks, armored vehicles, etc.
NAICS: 336992
USDA: 1

Freight Class: Parts of armored fighting vehicles,motorized, whether or not fitted with weapons