5305-01-221-8679

Find complete technical information, availability, and procurement data for: 5305-01-221-8679
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-221-8679

Item Name Code

06657

Assigment Date

12/04/1985 (40 years ago)

double hexagon w/ hole head style, 0.500 inches minimum and 0.562 inches maximum thread length, right-hand thread direction, 3a thread class, 0.562 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 Direction: right-hand
Thread Length: 0.500 inches minimum and 0.562 inches maximum
Fastener Length: 0.562 inches nominal
Head Style: double hexagon w/ hole
Head Height: 0.220 inches minimum and 0.240 inches maximum
Extended Washer Diameter: 0.260 inches minimum and 0.280 inches maximum
Extended Washer Thickness: 0.030 inches minimum and 0.040 inches maximum
Nominal Thread Diameter: 0.138 inches
Thread Quantity Per Inch: 32
Screw Material: steel corrosion resisting
Thread Series Designator: unjc

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
953527-87	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-221-8679?

The FSCG of the NSN 5305-01-221-8679 is 5305

Does the NSN 5305-01-221-8679 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-221-8679 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 5305-01-221-8679 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-221-8679 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 5305-01-221-8679 was assigned to the Federal Catalog?

It was assigned 40 years ago, on Wed, Dec 4, 1985