Model: MIL-S-24149/1-556

Welding Stud

Properties:

Thread Class

2a nut thread

Thread Direction

Right-hand nut thread

Thread Length

0.750 inches nut thread

Shoulder Diameter

Between 0.620 inches and 0.687 inches

Shoulder Length

Between 0.093 inches and 0.125 inches

Unthreaded End Diameter

Between 0.325 inches and 0.335 inches

Unthreaded End Length

3.391 inches

Length Excluding Fluxed Welding Tip

Between 4.219 inches and 4.281 inches

Features Provided

Flux

Thready Qty Per Inch (tpi)

16 nut thread

Thread Size

0.375 inches nut thread

Material

Steel

Style Designator

Welding

Thread Series Designator

Unc

Nondefinitive Specification/std Data

2 type and 4 class

NSN

5307-01-406-1248

Part Number

MIL-S-24149/1-556

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-24149/1-556 NSN 5307-01-406-1248

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:

Packaging & Shipping

Est. Pack Size

Est. Pack Weight

Est. Item Weight

Est. Item Dim.

Pack Size:

Paclk Weight:

0.2000lbs

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:

575

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