Model: ST3M405C2-3

Clinch Self-locking Nut

Properties:

Thread Class

Thread Direction

Right-hand

Locking Feature

Prevailing torque all metal design

Pilot Diameter

Between 0.273 inches and 0.277 inches

Pilot Length

Between 0.079 inches and 0.091 inches

Counterbore Diameter

0.215 inches nut and 0.225 inches nut

Counterbore Diameter

0.215 inches and 0.225 inches nut

Lubrication

Dry film lubricant

Nut Style

Clinch

Nut Height

Between 0.246 inches and 0.273 inches

Nut Counterbore Depth

0.065 inches nut and 0.095 inches nut

Nut Counterbore Depth

0.065 inches and 0.095 inches nut

Width Across Flats

Between 0.365 inches and 0.377 inches

Tempurature Rating

450.0 degrees fahrenheit

Thread Series

Unjf

Thready Qty Per Inch (tpi)

Thread Size

0.190 inches

Part Name Assigned By Controlling Agency

Navy special project

Material

Iron alloy 660

Material Specification

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

Material Specification

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

Surface Treatment

Passivate

Specification Data

76301-st3-405 manufacturers standard

NSN

5310-00-279-9155

Part Number

ST3M405C2-3

Description

Nut,self-locking,clinch

CAGE

76301

A nut having a sleeve portion on its under side, which can be crimped or clinched to hold the item in place when inserted in a hole. An integral feature is incorporated for locking.

Part ST3M405C2-3 NSN 5310-00-279-9155

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

15892

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