5305-00-720-7994

Find complete technical information, availability, and procurement data for: 5305-00-720-7994
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-720-7994

Item Name Code

18257

Assigment Date

01/01/1963 (63 years ago)

4.000 inches nominal fastener length, hexagon head style, right-hand thread direction, 1.062 inches minimum thread length, 2a thread class

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: 1.062 inches minimum
Fastener Length: 4.000 inches nominal
Head Style: hexagon
Head Height: 0.203 inches nominal
Width Between Flats: 0.500 inches nominal
Shank Unthreaded Hole Diameter: 0.125 inches nominal first hole
Nominal Thread Diameter: 0.312 inches
Thread Quantity Per Inch: 18
Minimum Tensile Strength: 75000 pounds per square inch
Hardness Rating: 80.0 rockwell b nominal overall
Distance From Head Largest Bearing Surface To Shank Hole Center: 0.125 inches nominal first hole
Material: steel overall
Surface Treatment: zinc and chromate overall
Thread Series Designator: unf
Nondefinitive Spec/Std Data: 1 type and 2 grade

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
8013223	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-720-7994?

The FSCG of the NSN 5305-00-720-7994 is 5305

Does the NSN 5305-00-720-7994 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-720-7994 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 5305-00-720-7994 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-720-7994 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 5305-00-720-7994 was assigned to the Federal Catalog?

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