5305-01-449-6990

Find complete technical information, availability, and procurement data for: 5305-01-449-6990
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-449-6990

Item Name Code

33044

Assigment Date

10/10/1997 (28 years ago)

A headed, threaded fastening device over which may be assembled; (1) a stand-off; (2) a flanged bushing with washer(s) and/or a shouldered bushing without a flange, or it may have an internally threaded sleeve that is an integral part of the screw; a washer and an externally thread self-locking bushing that is driven by an inserted driver. Attached to panel by threaded bushing or by flaring end of stand-off, or bushing. Used in conjunction with a speed nut, nut plate, or driven into a threaded hole in the item that the panel is fastened to. May be spring loaded.

3a thread class, right-hand thread direction, 0.172 inches minimum and 0.190 inches maximum head height, 1.742 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.

Thread Class: 3a
Thread Direction: right-hand
Fastener Length: 1.742 inches nominal
Head Style: hexagon
Head Height: 0.172 inches minimum and 0.190 inches maximum
Width Between Flats: 0.437 inches nominal
Internal Drive Style: slot
Material Accommodated Thickness: 0.156 inches minimum and 0.217 inches maximum
Nominal Thread Diameter: 0.250 inches
Nonstandard Thread Pitch Diameter: +0.2237 to 0.2268 inches
Thread Quantity Per Inch: 28
Material: steel overall
Thread Series Designator: unjf

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
11472500-2	Panel Screw Assembly
FTF7198-121	Panel Screw Assembly

FAQs

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

What is the FSCG of the NSN 5305-01-449-6990?

The FSCG of the NSN 5305-01-449-6990 is 5305

Does the NSN 5305-01-449-6990 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-449-6990 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 5305-01-449-6990 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-449-6990 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 5305-01-449-6990 was assigned to the Federal Catalog?

It was assigned 28 years ago, on Fri, Oct 10, 1997