5305-01-522-2866

Find complete technical information, availability, and procurement data for: 5305-01-522-2866
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-522-2866

Item Name Code

06657

Assigment Date

07/26/2004 (21 years ago)

A nut having one convex, spherical bearing surface and 6 flat sides. Items may have a removable collar. An integral feature is incorporated for locking on the threads of a mating member. See also nut (1), self-locking, cone seat, hexagon.

right-hand thread direction, 0.719 inches minimum and 0.750 inches maximum thread length, pan head style, 2a thread class, 0.719 inches minimum and 0.750 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: 2a
Thread Direction: right-hand
Thread Length: 0.719 inches minimum and 0.750 inches maximum
Fastener Length: 0.719 inches minimum and 0.750 inches maximum
Head Style: pan
Head Diameter: 0.205 inches minimum and 0.219 inches maximum
Head Height: 0.070 inches minimum and 0.080 inches maximum
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.112 inches
Thread Quantity Per Inch: 40
Screw Material: steel comp 302 or steel comp 304 or steel comp 304l or steel comp 305 or steel comp 316 or steel comp 316l or steel comp 384
Screw Material Document And Classification: qq-s-763 fed spec all material responses
Screw Surface Treatment: aluminum
Screw Surface Treatment Document And Classification: mil-c-83488 mil spec single treatment response
Special Features: modified from ms 51957
Thread Series Designator: unc

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
7226371-10	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-522-2866?

The FSCG of the NSN 5305-01-522-2866 is 5305

Does the NSN 5305-01-522-2866 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-522-2866 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 5305-01-522-2866 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-522-2866 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 5305-01-522-2866 was assigned to the Federal Catalog?

It was assigned 21 years ago, on Mon, Jul 26, 2004