5305-01-443-8436

Find complete technical information, availability, and procurement data for: 5305-01-443-8436
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-443-8436

Item Name Code

41756

Assigment Date

04/19/1997 (29 years ago)

A hardened externally threaded fastener whose thread extends to the bearing surface of the head. The thread may be fluted or otherwise designed to cut or form its own mating thread. Excludes:screw, assembled washer.

hexagon extended washer head style, 0.500 inches nominal width between flats, 0.264 inches nominal head height, 0.624 inches minimum and 0.676 inches maximum extended washer diameter, 0.470 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.

Fastener Length: 0.470 inches nominal
Head Style: hexagon extended washer
Head Height: 0.264 inches nominal
Width Between Flats: 0.500 inches nominal
Extended Washer Diameter: 0.624 inches minimum and 0.676 inches maximum
Extended Washer Thickness: 0.035 inches minimum and 0.055 inches maximum
Internal Drive Style: w/o internal drive
Features Provided: casehardened
Hardness Rating: 45.0 rockwell c minimum and 50.0 rockwell c maximum overall
Nonmachine Thread Style: double flute (type f)
Nonmachine Nominal Thread Diameter: 0.312 inches
Material: steel comp 1020 or steel comp 1021 or steel comp 1022 or steel comp 1023 or steel comp 1524 overall
Surface Treatment: zinc and chromate overall
Surface Treatment Document And Classification: astm b633 ty 2 assn std single treatment response overall
Nondefinitive Spec/Std Data: f type

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
12377969-1	Tapping Screw

FAQs

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

What is the FSCG of the NSN 5305-01-443-8436?

The FSCG of the NSN 5305-01-443-8436 is 5305

Does the NSN 5305-01-443-8436 have a Schedule B code assigned?

Yes, the Schedule B code is 7318140000

Does NSN 5305-01-443-8436 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 5305-01-443-8436 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-443-8436 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 5305-01-443-8436 was assigned to the Federal Catalog?

It was assigned 29 years ago, on Sat, Apr 19, 1997