5305-01-258-8480

Find complete technical information, availability, and procurement data for: 5305-01-258-8480
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-258-8480

Item Name Code

06657

Assigment Date

07/09/1987 (39 years ago)

0.537 inches minimum and 0.620 inches maximum thread length, right-hand thread direction, 0.620 inches nominal fastener length, 2a thread class, hexagon extended washer 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: 0.537 inches minimum and 0.620 inches maximum
Fastener Length: 0.620 inches nominal
Head Style: hexagon extended washer
Head Height: 0.105 inches minimum and 0.120 inches maximum
Width Between Flats: 0.305 inches minimum and 0.312 inches maximum
Extended Washer Diameter: 0.384 inches minimum and 0.414 inches maximum
Extended Washer Thickness: 0.019 inches minimum and 0.031 inches maximum
Internal Drive Style: slot
Nominal Thread Diameter: 0.190 inches
Thread Quantity Per Inch: 24
Screw Material: steel
Screw Surface Treatment: cadmium and chromate
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
845001A0064-9	Machine Screw
J478A-0.190-24 UNC-2AX0.62L	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-258-8480?

The FSCG of the NSN 5305-01-258-8480 is 5305

Does the NSN 5305-01-258-8480 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-258-8480 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 5305-01-258-8480 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-258-8480 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 5305-01-258-8480 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Thu, Jul 9, 1987