4185A

View detailed technical data, stock status, and sourcing information for: 4185A
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5307 Studs

National Stock Number

5307-00-281-3308

Item Name Code

15948

Assigment Date

01/01/1961 (65 years ago)

right-hand nut thread thread direction, 5a stud thread thread class, 0.562 inches maximum nut thread thread length, right-hand stud thread thread direction, 3a nut thread thread class

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 Class: 5a stud thread
Thread Direction: right-hand nut thread
Thread Direction: right-hand stud thread
Thread Length: 0.562 inches maximum nut thread
Thread Length: 0.562 inches maximum stud thread
Overall Length: 1.625 inches nominal
Thread Quantity Per Inch: 14 stud thread
Thread Quantity Per Inch: 20 nut thread
Hardness Rating: 27.8 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 comp 3140
Material Document And Classification: sae assn std single material response
Thread Series Designator: unc stud thread
Thread Series Designator: unf nut thread

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5305-00-360-3934	No Name Available	01/01/1963

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
4185A	Plain Stud

FAQs

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

What is the FSCG of the NSN 5307-00-281-3308?

The FSCG of the NSN 5307-00-281-3308 is 5307

Does NSN 5307-00-281-3308 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 5307-00-281-3308 contain precious materials?

Precious metal content is unknown

Does NSN 5307-00-281-3308 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 5307-00-281-3308 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961