Model: MIL-S-24149/1-721

Welding Stud

Properties:

Thread Class

2b nut thread

Thread Direction

Right-hand nut thread

Thread Length

0.453 inches nut thread and 0.483 inches nut thread

Body Diameter

Between 0.547 inches and 0.577 inches

Length Excluding Fluxed Welding Tip

Between 1.719 inches and 1.781 inches

End Application

Spec item

Features Provided

Heat shield

Thready Qty Per Inch (tpi)

18 nut thread

Thread Size

0.312 inches nut thread

Material

Steel

Style Designator

Welding

Thread Series Designator

Unc nut thread

Nondefinitive Specification/std Data

2 type and 5a class

NSN

5307-01-293-2914

Part Number

MIL-S-24149/1-721

Description

Stud,welding

CAGE

81349

A headed or headless fastener externally or internally threaded. It is intended for fastening by welding the head, unthreaded end or welding tip. If headed, the head is not designed to be self-holding, nor to be turned with a wrench or inserted driver, nor does the head have small raised projections on the top or underside to facilitate welding. See also bolt, welding.

Part MIL-S-24149/1-721 NSN 5307-01-293-2914

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

16944

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:

573

TCC:

SHC:

ACC:

Construction Materials

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Schedule B and Export

Schedule B: 7318155000
SITC: 69421
End Use: Finished metal shapes
NAICS: 332722
USDA: 1

Freight Class: Studs of iron or steel, threaded