5305-00-143-1793

Find complete technical information, availability, and procurement data for: 5305-00-143-1793
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-143-1793

Item Name Code

41756

Assigment Date

10/11/1968 (57 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.

0.469 inches minimum and 0.500 inches maximum fastener length, 0.105 inches minimum and 0.120 inches maximum head height, 0.384 inches minimum and 0.414 inches maximum extended washer diameter, 0.305 inches minimum and 0.312 inches maximum width between flats, hexagon extended washer head style

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Fastener Length: 0.469 inches minimum and 0.500 inches maximum
Head Style: hexagon extended washer
Head Height: 0.105 inches minimum and 0.120 inches maximum
Width Between Flats: 0.305 inches minimum and 0.312 inches maximum
Extended Washer Diameter: 0.384 inches minimum and 0.414 inches maximum
Extended Washer Thickness: 0.019 inches minimum and 0.031 inches maximum
Internal Drive Style: cross recess type 1
Features Provided: casehardened
Nonmachine Thread Style: double flute (type f)
Nonmachine Nominal Thread Diameter: 0.190 inches
Material: steel overall
Surface Treatment: zinc overall
Surface Treatment Document And Classification: qq-z-325,ty 2,cl 3 fed spec 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
D18469-5	Tapping Screw

FAQs

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

What is the FSCG of the NSN 5305-00-143-1793?

The FSCG of the NSN 5305-00-143-1793 is 5305

Does the NSN 5305-00-143-1793 have a Schedule B code assigned?

Yes, the Schedule B code is 7318140000

Does NSN 5305-00-143-1793 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 5305-00-143-1793 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-143-1793 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 5305-00-143-1793 was assigned to the Federal Catalog?

It was assigned 57 years ago, on Fri, Oct 11, 1968