124451

View detailed technical data, stock status, and sourcing information for: 124451
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5307 Studs

National Stock Number

5307-00-638-2748

Item Name Code

16012

Assigment Date

01/01/1963 (63 years ago)

+0.2778 to 0.2795 inches stud thread thread pitch diameters, right-hand stud thread thread direction, 0.500 inches nominal nut thread thread length, 3a nut thread thread class, right-hand nut thread thread direction

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class: 3a nut thread
Thread Pitch Diameters: +0.2778 to 0.2795 inches stud thread
Thread Direction: right-hand nut thread
Thread Direction: right-hand stud thread
Thread Length: 0.500 inches nominal nut thread
Thread Length: 0.387 inches nominal stud thread
Locking Feature: ring, lock serrated
Overall Length: 1.500 inches nominal
Distance From Serrated Portion To Nut End: 0.938 inches nominal
Distance From Serrated Portion To Stud End: 0.562 inches nominal
Distance From Serrated Portion To End Of Stud Thread: 0.176 inches nominal
Thread Quantity Per Inch: 18 stud thread
Thread Quantity Per Inch: 28 nut thread
Nominal Thread Size: 0.250 inches nut thread
Nominal Thread Size: 0.312 inches stud thread
Material: steel comp 4130
Material Document And Classification: mil-s-6758 mil spec single material response
Surface Treatment: cadmium overall
Style Designator: locked in
Thread Series Designator: unf nut thread
Thread Series Designator: uns stud thread

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5307-00-089-1300	No Name Available	12/03/1965
5307-00-550-0878	No Name Available	07/19/1971

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
120240-1	Locked in Stud
124451	Locked in Stud
BACS21S9-15A	Locked in Stud
SF101-9SA15A	Locked in Stud

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5307-00-638-2748?

The FSCG of the NSN 5307-00-638-2748 is 5307

Does NSN 5307-00-638-2748 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 5307-00-638-2748 contain precious materials?

Precious metal content is unknown

Does NSN 5307-00-638-2748 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 5307-00-638-2748 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963