Model: MIL-S-63540/4-1

Self-locking Stud

Properties:

Thread Class

2a nut thread

Thread Direction

Right-hand nut thread

Thread Length

0.200 inches nut thread

Head Diameter

Between 0.195 inches and 0.215 inches

Head Length

0.075 inches

Locking Feature

Head serrations

Head Minor Diameter

0.171 inches

Overall Length

Between 0.245 inches and 0.265 inches

Thready Qty Per Inch (tpi)

40 nut thread

Thread Size

0.112 inches nut thread

Material

Steel comp 303 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

Astm a380 assn standard single treatment response

Style Designator

Self-locking

Thread Series Designator

Unc nut thread

NSN

5307-01-321-3210

Part Number

MIL-S-63540/4-1

Description

Stud,self-locking

CAGE

81349

Part MIL-S-63540/4-1 NSN 5307-01-321-3210

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:

Packaging & Shipping

Est. Pack Size

Est. Pack Weight

Est. Item Weight

Est. Item Dim.

Pack Size:

Paclk Weight:

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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