5305-00-256-2666

Find complete technical information, availability, and procurement data for: 5305-00-256-2666
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-256-2666

Item Name Code

06672

Assigment Date

01/01/1963 (63 years ago)

3a thread class, headless (setscrew) head style, 0.302 inches minimum and 0.322 inches maximum thread length, right-hand thread direction, 0.302 inches minimum and 0.322 inches maximum 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: 3a
Thread Direction: right-hand
Thread Length: 0.302 inches minimum and 0.322 inches maximum
Fastener Length: 0.302 inches minimum and 0.322 inches maximum
Head Style: headless (setscrew)
Point Style: flat
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.190 inches
Width Across Flats: 0.093 inches minimum and 0.094 inches maximum
Features Provided: casehardened
Thread Quantity Per Inch: 24
Hardness Rating: 45.0 rockwell c minimum and 53.0 rockwell c maximum overall
Material: steel overall
Surface Treatment: cadmium overall
Thread Series Designator: unc
Nondefinitive Spec/Std Data: 3 type and 1 style

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5305-00-292-4527	No Name Available	01/01/1960

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
AN565A10H5	Setscrew

FAQs

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

What is the FSCG of the NSN 5305-00-256-2666?

The FSCG of the NSN 5305-00-256-2666 is 5305

Does the NSN 5305-00-256-2666 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-256-2666 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 5305-00-256-2666 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-256-2666 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 5305-00-256-2666 was assigned to the Federal Catalog?

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