5305-01-388-5321

Find complete technical information, availability, and procurement data for: 5305-01-388-5321
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-388-5321

Item Name Code

16282

Assigment Date

04/01/1994 (32 years ago)

flat chamfer head style, 3.000 inches nominal fastener length, 3a thread class, 2.250 inches nominal thread length, 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: 3a
Thread Direction: right-hand
Thread Length: 2.250 inches nominal
Fastener Length: 3.000 inches nominal
Head Style: flat chamfer
Head Diameter: 0.921 inches minimum and 0.938 inches maximum
Head Height: 0.616 inches minimum and 0.625 inches maximum
Locking Feature: patch or pellet or strip threads
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.625 inches
Width Across Flats: 0.500 inches nominal
Thread Quantity Per Inch: 11
Special Features: threads, shank and bearing surface of head coated with mil-l-24478, fn42 or navsea approved equivalent
Material: plastic polyamide (nylon) locking feature
Material: steel comp 630 fastener
Material Document And Classification: astm a564 assn std single material response fastener
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
801-6641191FNB18	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-388-5321?

The FSCG of the NSN 5305-01-388-5321 is 5305

Does the NSN 5305-01-388-5321 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-388-5321 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 5305-01-388-5321 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-388-5321 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 5305-01-388-5321 was assigned to the Federal Catalog?

It was assigned 32 years ago, on Fri, Apr 1, 1994