5305-00-080-0681

Find complete technical information, availability, and procurement data for: 5305-00-080-0681
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-080-0681

Item Name Code

16282

Assigment Date

01/01/1963 (63 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes:items with bevel (conical) heads. See bolt, internal wrenching. Excludes:screw, shoulder; and screw, machine.

flat chamfer head style, 0.850 inches minimum thread length, 0.367 inches nominal head diameter, 3a thread class, 2.000 inches nominal fastener length

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 Length: 0.850 inches minimum
Fastener Length: 2.000 inches nominal
Head Style: flat chamfer
Head Diameter: 0.367 inches nominal
Head Height: 0.244 inches nominal
Shank Unthreaded Hole Diameter: 0.062 inches nominal first hole
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.250 inches
Width Across Flats: 0.190 inches nominal
Thread Quantity Per Inch: 20
Distance From Head Largest Bearing Surface To Shank Hole Center: 0.938 inches nominal first hole
Surface Treatment: passivate 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
652-1408	Socket Head Cap Screw
SC1151	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-080-0681?

The FSCG of the NSN 5305-00-080-0681 is 5305

Does NSN 5305-00-080-0681 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 5305-00-080-0681 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-080-0681 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 5305-00-080-0681 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963