5305-01-079-2956

Find complete technical information, availability, and procurement data for: 5305-01-079-2956
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-079-2956

Item Name Code

06657

Assigment Date

07/01/1979 (47 years ago)

A tachometer that is driven through the media of a mechanical connection and includes provisions for fixed mounting.

0.790 inches nominal thread length, hexagon head style, 2a thread class, 4.000 inches nominal fastener length, 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: 2a
Thread Direction: right-hand
Thread Length: 0.790 inches nominal
Fastener Length: 4.000 inches nominal
Head Style: hexagon
Head Height: 0.230 inches minimum and 0.240 inches maximum
Width Between Flats: 0.552 inches minimum and 0.562 inches maximum
Internal Drive Style: slot
End Item Identification: tank,full tracked,xm1;tank,full tracked,m1w/improved armor;tank,full tracked,m1a1
Nominal Thread Diameter: 0.375 inches
Thread Quantity Per Inch: 16
Hardness Rating: 26.0 rockwell c minimum and 35.0 rockwell c maximum
Screw Material: steel comp 4130 or steel comp 8630
Screw Material Document And Classification: astm a322 assn std single material response or astm a331 assn std single material response
Thread Series Designator: unc

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
12274395	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-079-2956?

The FSCG of the NSN 5305-01-079-2956 is 5305

Does the NSN 5305-01-079-2956 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-079-2956 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 5305-01-079-2956 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-079-2956 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 5305-01-079-2956 was assigned to the Federal Catalog?

It was assigned 47 years ago, on Sun, Jul 1, 1979