5305-01-030-0579

Find complete technical information, availability, and procurement data for: 5305-01-030-0579
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-030-0579

Item Name Code

16282

Assigment Date

10/27/1976 (49 years ago)

A cylindrically-shaped headed item, whose other end can be threaded. It has a solid shank in steps of two or more different diameters under and in addition to the head. Excludes:pin,eccentric.

3a thread class, 1.639 inches minimum and 1.750 inches maximum thread length, right-hand thread direction, 1.750 inches nominal fastener length, 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: 1.639 inches minimum and 1.750 inches maximum
Fastener Length: 1.750 inches nominal
Head Style: flat chamfer
Head Diameter: 0.457 inches minimum and 0.469 inches maximum
Head Height: 0.306 inches minimum and 0.312 inches maximum
Locking Feature: patch threads
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.312 inches
Width Across Flats: 0.250 inches nominal
Thread Quantity Per Inch: 18
Minimum Tensile Strength: 170000 pounds per square inch
Hardness Rating: 38.0 rockwell c minimum and 45.0 rockwell c maximum overall
Minimum Yield Strength: 150000 pounds per square inch
Surface Finish: 32.0 microinches threads
Surface Finish: 63.0 microinches bearing surface of head
Surface Finish: 63.0 microinches grip
Material: steel overall
Surface Treatment: zinc and chromate overall
Surface Treatment Document And Classification: astm b633,ty 2 assn std 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
3176207-C-126	Socket Head Cap Screw
3176207-C-626	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-030-0579?

The FSCG of the NSN 5305-01-030-0579 is 5305

Does the NSN 5305-01-030-0579 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-030-0579 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 5305-01-030-0579 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-030-0579 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 5305-01-030-0579 was assigned to the Federal Catalog?

It was assigned 49 years ago, on Wed, Oct 27, 1976