5305-01-389-6956

Find complete technical information, availability, and procurement data for: 5305-01-389-6956
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-389-6956

Item Name Code

22846

Assigment Date

04/29/1994 (32 years ago)

A metallic or nonmetallic item designed to suspend, support, retain, and/or position items such as cable(s), conduit(s), pipe(s), tube(s), and the like from a structure. It may be fastened vertically or horizontally to the structure by means of rod(s), bolt(s), screw(s), and the like. Excludes:clamp (1), loop; strap, retaining; clamp (1), electrical; hanger, wire strand, support (1), electrical cable; hanger, cable; and hook, support.

3a thread class, 2.725 inches minimum and 2.755 inches maximum fastener length, flat chamfer head style, 0.480 inches minimum and 0.500 inches maximum thread 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: 3a
Thread Direction: right-hand
Thread Length: 0.480 inches minimum and 0.500 inches maximum
Fastener Length: 2.725 inches minimum and 2.755 inches maximum
Head Style: flat chamfer
Head Diameter: 0.543 inches minimum and 0.562 inches maximum
Head Height: 0.240 inches minimum and 0.250 inches maximum
Shoulder Diameter: 0.371 inches minimum and 0.373 inches maximum first shoulder
Shoulder Length: 2.245 inches minimum and 2.255 inches maximum first shoulder
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.312 inches
Width Across Flats: 0.188 inches nominal
Thread Quantity Per Inch: 18
Minimum Tensile Strength: 140000 pounds per square inch
Hardness Rating: 32.0 rockwell c minimum and 43.0 rockwell c maximum overall
Minimum Yield Strength: 84000 pounds per square inch
Shoulder Shape: round first shoulder
Color: bronze or olive drab overall
Material: steel overall
Material Document And Classification: fed 66 fed std all material responses overall
Surface Treatment: zinc and chromate overall
Surface Treatment Document And Classification: mil-std-171, 1.9.2.3 mil spec single treatment response overall
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
12387306-24	Shoulder Screw

FAQs

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

What is the FSCG of the NSN 5305-01-389-6956?

The FSCG of the NSN 5305-01-389-6956 is 5305

Does the NSN 5305-01-389-6956 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-389-6956 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 5305-01-389-6956 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-389-6956 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 5305-01-389-6956 was assigned to the Federal Catalog?

It was assigned 32 years ago, on Fri, Apr 29, 1994