5305-00-291-6790

Find complete technical information, availability, and procurement data for: 5305-00-291-6790
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-291-6790

Item Name Code

16282

Assigment Date

01/01/1961 (65 years ago)

right-hand thread direction, 2.500 inches nominal fastener length, 3a thread class, 1.250 inches minimum thread length, flat countersunk 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: 1.250 inches minimum
Fastener Length: 2.500 inches nominal
Head Style: flat countersunk
Head Diameter: 0.860 inches minimum and 0.875 inches maximum
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.500 inches
Width Across Flats: 0.312 inches minimum and 0.315 inches maximum
Thread Quantity Per Inch: 13
Minimum Yield Strength: 140000 pounds per square inch
Countersink Angle: 80.0 degrees minimum and 82.0 degrees maximum
Material: steel comp 4140 overall
Material Document And Classification: sae assn std single material response overall
Thread Series Designator: unc
Nondefinitive Spec/Std Data: 4 type

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
9G840	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-291-6790?

The FSCG of the NSN 5305-00-291-6790 is 5305

Does the NSN 5305-00-291-6790 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-291-6790 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 5305-00-291-6790 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-291-6790 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 5305-00-291-6790 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961