Model: MIL-S-63540/1

Self-locking Stud

Properties:

Thread Class

2a nut thread

Thread Direction

Right-hand nut thread

Thread Length

0.535 inches nut thread and 0.575 inches nut thread

Head Diameter

Between 0.125 inches and 0.155 inches

Head Length

Between 0.065 inches and 0.075 inches

Locking Feature

Self-clinching head

Overall Length

Between 0.610 inches and 0.640 inches

End Application

Spec item

Thready Qty Per Inch (tpi)

56 nut thread

Thread Size

0.086 inches nut thread

Material

Steel comp 301 or steel comp 302 or steel comp 302b or steel comp 303 or steel comp 303se or steel comp 304 or steel comp 304l or steel comp 305 or steel comp 309 or steel comp 308 or steel comp 309s or steel comp 310 or steel comp 310s or steel comp 316 or steel comp 316l or steel comp 317 or steel comp 321 or steel comp 347 or steel comp 348 or steel comp 384 or steel comp 385

Style Designator

Self-locking

Thread Series Designator

Unc nut thread

NSN

5307-01-185-2593

Part Number

MIL-S-63540/1

Description

Stud,self-locking

CAGE

81349

Part MIL-S-63540/1 NSN 5307-01-185-2593

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:

095190

UFC:

49790

LTL:

RATING VARIABLE

LCL:

WCC:

713

TCC:

SHC:

ACC:

Construction Materials

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