Model: MIL-S-24149/2

Welding Stud

Properties:

Thread Class

2a nut thread

Thread Direction

Right-hand nut thread

Thread Length

0.610 inches nut thread and 0.640 inches nut thread

Shoulder Diameter

Between 0.562 inches and 0.624 inches

Shoulder Length

Between 0.094 inches and 0.124 inches

Unthreaded End Diameter

Between 0.270 inches and 0.280 inches

Unthreaded End Length

Between 0.970 inches and 1.062 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

Aluminum alloy

Style Designator

Welding

Thread Series Designator

Unc nut thread

Nondefinitive Specification/std Data

4 type and 3 class

NSN

5307-01-293-5410

Part Number

MIL-S-24149/2

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-24149/2 NSN 5307-01-293-5410

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:

013280

UFC:

05450

LTL:

70.0

LCL:

WCC:

713

TCC:

SHC:

ACC:

Construction Materials

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Schedule B and Export

Schedule B: 7616106000
SITC: 69440
End Use: Finished metal shapes
NAICS: 332722
USDA: 1

Freight Class: Threaded fasteners of aluminum