5305-00-716-7680

Find complete technical information, availability, and procurement data for: 5305-00-716-7680
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-716-7680

Item Name Code

18257

Assigment Date

01/01/1960 (66 years ago)

1.230 inches minimum and 1.500 inches maximum thread length, hexagon head style, 2a thread class, right-hand thread direction, 1.438 inches minimum and 1.500 inches maximum 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: 2a
Thread Direction: right-hand
Thread Length: 1.230 inches minimum and 1.500 inches maximum
Fastener Length: 1.438 inches minimum and 1.500 inches maximum
Head Style: hexagon
Head Height: 0.348 inches minimum and 0.371 inches maximum
Width Between Flats: 0.798 inches minimum and 0.812 inches maximum
Nominal Thread Diameter: 0.562 inches
Thread Quantity Per Inch: 12
Minimum Tensile Strength: 150000 pounds per square inch
Hardness Rating: 32.0 rockwell c minimum and 38.0 rockwell c maximum overall
Surface Finish: 63.0 microinches threads
Material: steel overall
Material Document And Classification: saej429 grade 8 assn std single material response or astma354 grade bd assn std single material response overall
Surface Treatment: zinc and chromate overall
Surface Treatment Document And Classification: astm b633 ty 2 sc 3 assn std single treatment response overall
Thread Series Designator: unc

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5306-00-057-1059	No Name Available	08/01/1979
5305-00-576-7364	Hexagon Head Cap Screw	07/01/2025
5305-00-638-8902	No Name Available	05/14/1979

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
5305PL0780036	Hexagon Head Cap Screw
B1821BH056C150N	Hexagon Head Cap Screw
MS90728-138	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-716-7680?

The FSCG of the NSN 5305-00-716-7680 is 5305

Does the NSN 5305-00-716-7680 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-716-7680 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 5305-00-716-7680 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-716-7680 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 5305-00-716-7680 was assigned to the Federal Catalog?

It was assigned 66 years ago, on Fri, Jan 1, 1960