Model: ST3M524-5ME

Double Hex Castellated Plain Nut

Properties:

Thread Class

Thread Direction

Right-hand

Lubrication

Dry film lubricant

Nut Style

Castellated, double hexagon

Nut Height

0.303 inches

Width Across Flats

Between 0.482 inches and 0.502 inches

Thread Series

Unjf

Thready Qty Per Inch (tpi)

Thread Size

0.312 inches

Bearing Surface Type

Chamfered

Material

Steel

Material Specification

Ams 5662 assn standard single material response

Surface Treatment

Passivate

NSN

5310-01-044-1603

Part Number

ST3M524-5ME

Description

Nut,plain,castellated,double Hex

CAGE

76301

A nut having 12 drive points and 24 sides, flat on the bottom, and having a slotted cylindrical or dome shaped upper portion. It is designed to provide positive locking when used with a solid or split (cotter) pin.

Part ST3M524-5ME NSN 5310-01-044-1603

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

38228

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:

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