Model: 03A251L5C

Hexagon Self-locking Nut

Properties:

Thread Class

Thread Direction

Left-hand

Locking Feature

Prevailing torque with nonmetallic insert

Nut Style

Hexagon

Nut Height

Between 0.209 inches and 0.229 inches

End Application

Cen sec acft, cage 76823

Width Across Flats

Between 0.490 inches and 0.502 inches

Tempurature Rating

250.0 degrees fahrenheit

Thread Series

Unjf

Thready Qty Per Inch (tpi)

Hardness Rating

Between 34.0 rockwell c and 38.0 rockwell c

Thread Size

0.312 inches

Bearing Surface Type

Chamfered

Material

Steel comp 303 except insert

Material Specification

Ams 5525 assn standard single material response except insert or ams 5735 assn standard single material response except insert or ams 5737 assn standard single material response except insert

Surface Treatment

Passivate except insert

Surface Treatment Specification

Qq-p-35 federal specification single treatment response except insert

NSN

5310-01-357-6232

Part Number

03A251L5C

Description

Nut,self-locking,hexagon

CAGE

76823

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 03A251L5C NSN 5310-01-357-6232

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:

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