5305-01-023-1931

Find complete technical information, availability, and procurement data for: 5305-01-023-1931
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-023-1931

Item Name Code

16282

Assigment Date

06/12/1976 (50 years ago)

0.393 inches minimum and 0.464 inches maximum thread length, 3a thread class, 0.625 inches nominal fastener length, flat countersunk head style, right-hand 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
Thread Direction: right-hand
Thread Length: 0.393 inches minimum and 0.464 inches maximum
Fastener Length: 0.625 inches nominal
Head Style: flat countersunk
Head Diameter: 0.480 inches minimum and 0.531 inches maximum
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.250 inches
Width Across Flats: 0.156 inches nominal
Thread Quantity Per Inch: 28
Hardness Rating: 38.0 rockwell c minimum and 45.0 rockwell c maximum overall
Countersink Angle: 82.0 degrees nominal
Material: steel overall
Material Document And Classification: 66 fed std single material response overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: qq-p-416 fed spec single treatment response overall
Thread Series Designator: unf

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5305-00-115-5900	No Name Available	05/01/1984

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
65C35676-11	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-023-1931?

The FSCG of the NSN 5305-01-023-1931 is 5305

Does the NSN 5305-01-023-1931 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-023-1931 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 5305-01-023-1931 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-023-1931 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 5305-01-023-1931 was assigned to the Federal Catalog?

It was assigned 50 years ago, on Sat, Jun 12, 1976