Model: 03A251-6CH

Hexagon Self-locking Nut

Properties:

Thread Class

Thread Direction

Right-hand

Locking Feature

Prevailing torque all metal design

Lubrication

Dry film lubricant

Nut Style

Hexagon

Nut Height

Between 0.240 inches and 0.260 inches

Width Across Flats

Between 0.553 inches and 0.565 inches

Thread Series

Unjf

Thready Qty Per Inch (tpi)

Hardness Rating

Between 34.0 rockwell c and 38.0 rockwell c

Thread Size

0.375 inches

Bearing Surface Type

Chamfered

Material

Iron alloy 660

Material Specification

Ams 5725 assn standard single material response or ams 5735 assn standard single material response or ams 5737 assn standard single material response

Surface Treatment

Passivate

Surface Treatment Specification

Qq-p-35 federal specification single treatment response

NSN

5310-01-338-6828

Part Number

03A251-6CH

Description

Nut,self-locking,hexagon

CAGE

1W025

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 03A251-6CH NSN 5310-01-338-6828

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:

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