5305-01-031-8302

Find complete technical information, availability, and procurement data for: 5305-01-031-8302
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-031-8302

Item Name Code

16282

Assigment Date

12/02/1976 (49 years ago)

A nut with a flanged base of varied shapes which may be plain or mounted by rivets, bolts, welding or integral prongs. An integral feature is incorporated for locking on the threads of a mating member.

2a thread class, 0.615 inches nominal thread length, right-hand thread direction, 0.855 inches minimum and 0.875 inches maximum 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: 2a
Thread Direction: right-hand
Thread Length: 0.615 inches nominal
Fastener Length: 0.855 inches minimum and 0.875 inches maximum
Head Style: flat chamfer
Head Diameter: 0.739 inches minimum and 0.750 inches maximum
Head Height: 0.500 inches nominal
Shank Unthreaded Hole Diameter: 0.094 inches nominal and 0.099 inches maximum first hole
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.312 inches
Width Across Flats: 0.375 inches minimum and 0.378 inches maximum
Thread Quantity Per Inch: 18
Distance From Head Largest Bearing Surface To Shank Hole Center: 0.687 inches nominal first hole
Material: steel comp 302 or steel comp 303 or steel comp 304 overall
Material Document And Classification: astm a582 assn std single material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-p-35 fed 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
2170584	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-031-8302?

The FSCG of the NSN 5305-01-031-8302 is 5305

Does the NSN 5305-01-031-8302 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-031-8302 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 5305-01-031-8302 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-031-8302 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 5305-01-031-8302 was assigned to the Federal Catalog?

It was assigned 49 years ago, on Thu, Dec 2, 1976