Model: MIL-S-63540/6-40C

Self-locking Stud

Properties:

Thread Class

2a nut thread

Thread Direction

Right-hand nut thread

Thread Length

0.388 inches nut thread

Head Diameter

Between 0.235 inches and 0.265 inches

Head Length

0.092 inches

Locking Feature

Self-clinching head

Overall Length

Between 0.445 inches and 0.515 inches

Thready Qty Per Inch (tpi)

32 nut thread

Thread Size

0.190 inches nut thread

Material

Steel comp 302 or steel comp 304 or steel comp 303se

Material Specification

Astm a493 assn standard 1st material response or astm a582 assn standard 2nd material response or astm a582 assn standard 3rd material response

Surface Treatment

Passivate

Surface Treatment Specification

Qq-p-35 federal specification single treatment response

Style Designator

Self-locking

Thread Series Designator

Unf nut thread

NSN

5307-01-456-5083

Part Number

MIL-S-63540/6-40C

Description

Stud,self-locking

CAGE

81349

Part MIL-S-63540/6-40C NSN 5307-01-456-5083

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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