451665

View detailed technical data, stock status, and sourcing information for: 451665
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-087-0243

Item Name Code

41756

Assigment Date

01/01/1963 (63 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.

0.489 inches minimum and 0.500 inches maximum width between flats, cross recess type 1 internal drive style, 0.208 inches minimum and 0.230 inches maximum head height, 1.000 inches nominal fastener length, hexagon 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: 1.000 inches nominal
Head Style: hexagon
Head Height: 0.208 inches minimum and 0.230 inches maximum
Width Between Flats: 0.489 inches minimum and 0.500 inches maximum
Internal Drive Style: cross recess type 1
Nonmachine Thread Style: dog type (type b or c)
Nonmachine Nominal Thread Diameter: 0.312 inches
Material: steel overall
Surface Treatment: cadmium or zinc overall

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
451665	Tapping Screw
DL038-1-23C	Tapping Screw
FF-S-107C TY B OR TY AB	Tapping Screw

FAQs

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

What is the FSCG of the NSN 5305-00-087-0243?

The FSCG of the NSN 5305-00-087-0243 is 5305

Does the NSN 5305-00-087-0243 have a Schedule B code assigned?

Yes, the Schedule B code is 7318140000

Does NSN 5305-00-087-0243 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 5305-00-087-0243 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-087-0243 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 5305-00-087-0243 was assigned to the Federal Catalog?

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