Model: ST3M818-4M7

Gang Channel Self-locking Nut

Properties:

Thread Class

Thread Direction

Right-hand

Locking Feature

Prevailing torque all metal design

Counterbore Diameter

0.254 inches first end and 0.267 inches first end

Lubrication

Dry film lubricant

Nut Style

Gang channel, self locking

Base Width

Between 0.395 inches and 0.405 inches

Nut Length

Between 0.557 inches and 0.567 inches

Base Thickness

Between 0.040 inches and 0.052 inches

Nut Height

0.564 inches

Nut Counterbore Depth

0.154 inches first end

Thread Series

Unjf

Thready Qty Per Inch (tpi)

Thread Size

0.250 inches

Material

Iron alloy 660

Material Specification

Ams 5525 assn standard single material response or ams 5732 assn standard single material response

Surface Treatment

Copper or nickel

NSN

5310-01-133-5834

Part Number

ST3M818-4M7

Description

Nut,self-locking,gang Channel

CAGE

76301

A nut having ears or lugs designed to hold it in position after its installation in a specially designed channel. An integral feature is incorporated for locking on the threads of a mating member.

Part ST3M818-4M7 NSN 5310-01-133-5834

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

01863

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