5305-01-447-6366

Find complete technical information, availability, and procurement data for: 5305-01-447-6366
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-447-6366

Item Name Code

18257

Assigment Date

08/12/1997 (28 years ago)

A nut having a flat bottom and 6 sides. An integral feature is incorporated for locking on the threads of a mating member. Excludes:nut (1), self-locking, cap.

0.3065 inches minimum and 0.3125 inches maximum thread length, 2a thread class, right-hand thread direction, hexagon head style, 4.500 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: 2a
Thread Direction: right-hand
Thread Length: 0.3065 inches minimum and 0.3125 inches maximum
Fastener Length: 4.500 inches nominal
Head Style: hexagon
Head Height: 0.226 inches minimum and 0.243 inches maximum
Width Between Flats: 0.551 inches minimum and 0.562 inches maximum
Nominal Thread Diameter: 0.375 inches
Thread Quantity Per Inch: 24
Material: steel overall
Material Document And Classification: astm a 354 grade 8 assn std single material response overall
Surface Treatment: zinc overall
Surface Treatment Document And Classification: astm b 633 assn std single treatment response overall
Thread Series Designator: unf

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
B1821BH038F450L	Hexagon Head Cap Screw
MS90727-76L	Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-447-6366?

The FSCG of the NSN 5305-01-447-6366 is 5305

Does the NSN 5305-01-447-6366 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-447-6366 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 5305-01-447-6366 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-447-6366 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 5305-01-447-6366 was assigned to the Federal Catalog?

It was assigned 28 years ago, on Tue, Aug 12, 1997