5305-00-451-3425

Find complete technical information, availability, and procurement data for: 5305-00-451-3425
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-451-3425

Item Name Code

41756

Assigment Date

05/14/1971 (55 years ago)

hexagon extended washer head style, 0.250 inches minimum and 0.280 inches maximum fastener length, 0.370 inches minimum and 0.388 inches maximum extended washer diameter, 0.160 inches minimum and 0.174 inches maximum head height, 0.244 inches minimum and 0.250 inches maximum width between flats

Product Characteristics

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

Fastener Length: 0.250 inches minimum and 0.280 inches maximum
Head Style: hexagon extended washer
Head Height: 0.160 inches minimum and 0.174 inches maximum
Width Between Flats: 0.244 inches minimum and 0.250 inches maximum
Extended Washer Diameter: 0.370 inches minimum and 0.388 inches maximum
Extended Washer Thickness: 0.035 inches minimum and 0.045 inches maximum
Internal Drive Style: slot
Nonmachine Thread Style: dog type (type b or c)
Nonmachine Nominal Thread Diameter: 0.164 inches
Material: steel overall
Surface Treatment: cadmium and dichromate 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
1943386	Tapping Screw

FAQs

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

What is the FSCG of the NSN 5305-00-451-3425?

The FSCG of the NSN 5305-00-451-3425 is 5305

Does the NSN 5305-00-451-3425 have a Schedule B code assigned?

Yes, the Schedule B code is 7318140000

Does NSN 5305-00-451-3425 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 5305-00-451-3425 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-451-3425 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 5305-00-451-3425 was assigned to the Federal Catalog?

It was assigned 55 years ago, on Fri, May 14, 1971