Model: 298538P4

Hexagon Self-locking Nut

Properties:

Thread Class

Thread Direction

Right-hand

Locking Feature

Prevailing torque with nonmetallic insert

Lubrication

Soluble lubricant

Nut Style

Hexagon

Nut Height

Between 0.229 inches and 0.249 inches

End Application

Mrap - cougar cat1 a1; mrap - m-atv ui; mrap - cougar iss 1.0

Width Across Flats

Between 0.367 inches and 0.376 inches

Tempurature Rating

250.0 degrees fahrenheit

Thread Series

Unc

Thready Qty Per Inch (tpi)

Thread Size

0.190 inches

Bearing Surface Type

Chamfered

Bearing Surface Finish

125.0 microinches

Material

Plastic polyhexamethylene amide or plastic polycaprolactam locking insert

Material

Steel comp 303 or steel comp 303se or steel comp 303 plus x nut

Material Specification

Mil-m-20693 military specification all material responses locking insert

Material Specification

Ams 5640 assn standard all material responses nut

Surface Treatment

Passivate except insert

NSN

5310-00-262-6355

Part Number

298538P4

Description

Nut,self-locking,hexagon

CAGE

10001

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 298538P4 NSN 5310-00-262-6355

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:

0.5000lbs

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

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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