5305-00-724-5903

Find complete technical information, availability, and procurement data for: 5305-00-724-5903
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-724-5903

Item Name Code

06672

Assigment Date

01/01/1960 (66 years ago)

3a thread class, 0.500 inches maximum thread length, right-hand thread direction, headless (setscrew) head style, 0.500 inches nominal fastener length

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
Thread Direction: right-hand
Thread Length: 0.500 inches maximum
Fastener Length: 0.500 inches nominal
Head Style: headless (setscrew)
Point Style: cup
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.312 inches
Width Across Flats: 0.156 inches nominal
Thread Quantity Per Inch: 18
Hardness Rating: 45.0 rockwell c minimum and 53.0 rockwell c maximum overall
Material: steel comp 4037 or steel comp 4137 or steel comp 4140 or steel comp 8630 or steel comp 8740 overall
Material Document And Classification: 66 fed std all material responses overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416 ty 2 cl 3 fed spec single treatment response overall
Thread Series Designator: unc

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5305-00-010-2582	No Name Available	12/01/1979
5305-00-071-3567	No Name Available	09/01/1982
5305-00-206-5963	No Name Available	10/01/1982
5305-00-282-7630	No Name Available	08/01/1979
5305-00-515-7187	No Name Available	10/01/1982
5305-00-638-8751	No Name Available	07/16/1996
5305-00-639-0809	No Name Available	09/01/2023
5305-00-722-4327	No Name Available	02/01/1983

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
12387304-85	Setscrew
2552093-12	Setscrew
A50603-046	Setscrew
MS51963-85	Setscrew

FAQs

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

What is the FSCG of the NSN 5305-00-724-5903?

The FSCG of the NSN 5305-00-724-5903 is 5305

Does the NSN 5305-00-724-5903 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-724-5903 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 5305-00-724-5903 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-724-5903 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 5305-00-724-5903 was assigned to the Federal Catalog?

It was assigned 66 years ago, on Fri, Jan 1, 1960