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.

right-hand thread direction, 2.725 inches minimum and 2.755 inches maximum fastener length, 0.480 inches minimum and 0.500 inches maximum thread length, 3a thread class, flat chamfer head style

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