4149A

View detailed technical data, stock status, and sourcing information for: 4149A
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5307 Studs

National Stock Number

5307-00-281-6811

Item Name Code

15948

Assigment Date

01/01/1963 (63 years ago)

0.625 inches minimum stud thread thread length, +0.3940 to 0.3960 inches stud thread thread pitch diameters, 3a nut thread thread class, right-hand nut thread thread direction, right-hand stud 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: +0.3940 to 0.3960 inches stud thread
Thread Direction: right-hand nut thread
Thread Direction: right-hand stud thread
Thread Length: 0.625 inches minimum stud thread
Thread Length: 0.750 inches minimum nut thread
Overall Length: 4.750 inches nominal
Thread Quantity Per Inch: 14 stud thread
Thread Quantity Per Inch: 20 nut thread
Hardness Rating: 28.0 rockwell c minimum and 31.0 rockwell c maximum
Nominal Thread Size: 0.438 inches nut thread
Nominal Thread Size: 0.438 inches stud thread
Material: steel
Material Document And Classification: qq-w-412,comp 2,ty 2,cond a fed spec single material response
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Below is a list of NSNs that have been officially superseded by this NSN: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
2805-00-593-2650	No Name Available	05/20/1973

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
4149A	Plain Stud

FAQs

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

What is the FSCG of the NSN 5307-00-281-6811?

The FSCG of the NSN 5307-00-281-6811 is 5307

Does NSN 5307-00-281-6811 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 5307-00-281-6811 contain precious materials?

Precious metal content is unknown

Does NSN 5307-00-281-6811 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 5307-00-281-6811 was assigned to the Federal Catalog?

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