Model: M63540/3-8-4

Self-locking Stud

Properties:

Thread Class

2a nut thread

Thread Direction

Right-hand

Thread Length

0.375 inches nut thread

Head Diameter

Between 0.112 inches and 0.114 inches

Head Length

0.120 inches

Locking Feature

Head distortions

Overall Length

0.250 inches

Distance Across Flats

0.187 inches

Thready Qty Per Inch (tpi)

Thread Size

0.112 inches nut thread

Material

Steel comp 303

Material Specification

Qq-s-764 federal specification single material response

Surface Treatment

Passivate

Surface Treatment Specification

Mil-f-14072 military specification single treatment response

Style Designator

Self-locking

Thread Series Designator

Unc

NSN

5307-01-423-0873

Part Number

M63540/3-8-4

Description

Stud,self-locking

CAGE

81349

Part M63540/3-8-4 NSN 5307-01-423-0873

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

27783

FIIG:

A051A0

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:

713

TCC:

SHC:

ACC:

Construction Materials

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