5305-00-521-8644

Find complete technical information, availability, and procurement data for: 5305-00-521-8644
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-521-8644

Item Name Code

16282

Assigment Date

01/01/1963 (63 years ago)

0.365 inches minimum and 0.395 inches maximum fastener length, 0.293 inches minimum thread length, flat chamfer head style, 2a thread class, right-hand thread direction

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: 0.293 inches minimum
Fastener Length: 0.365 inches minimum and 0.395 inches maximum
Head Style: flat chamfer
Head Diameter: 0.221 inches minimum and 0.226 inches maximum
Head Height: 0.134 inches minimum and 0.138 inches maximum
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.138 inches
Width Across Flats: 0.094 inches minimum and 0.095 inches maximum
Thread Quantity Per Inch: 40
Hardness Rating: 38.0 rockwell c minimum and 42.0 rockwell c maximum overall
Material: steel comp 4037 overall
Surface Treatment: phosphate overall
Thread Series Designator: unf

FAQs

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

What is the FSCG of the NSN 5305-00-521-8644?

The FSCG of the NSN 5305-00-521-8644 is 5305

Does the NSN 5305-00-521-8644 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-521-8644 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 5305-00-521-8644 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-521-8644 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 5305-00-521-8644 was assigned to the Federal Catalog?

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