5305-01-449-1001

Find complete technical information, availability, and procurement data for: 5305-01-449-1001
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-449-1001

Item Name Code

16282

Assigment Date

09/19/1997 (28 years ago)

A metallic or nonmetallic item, headed at one end, with a cylindrically shaped shank which may be tapered, grooved, or threaded. A locking collar or sleeve may be provided to perform the same holding action as the clinching portion of a conventional rivet. The shank may include an external wrenching facility which breaks off at a predetermined applied torque.

3a thread class, 1.240 inches minimum and 1.260 inches maximum thread length, undercut pan no. 2 head style, 1.240 inches minimum and 1.260 inches maximum fastener length, right-hand thread direction

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: 1.240 inches minimum and 1.260 inches maximum
Fastener Length: 1.240 inches minimum and 1.260 inches maximum
Head Style: undercut pan no. 2
Head Diameter: 0.636 inches minimum and 0.656 inches maximum
Head Height: 0.185 inches minimum and 0.199 inches maximum
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.375 inches
Width Across Flats: 0.2187 inches minimum and 0.2217 inches maximum
Thread Quantity Per Inch: 16
Hardness Rating: 38.0 rockwell c minimum and 44.0 rockwell c maximum overall
Material: steel comp 4130 or steel comp 4140 overall
Material Document And Classification: a322 fed spec single material response overall
Surface Treatment: zinc overall
Surface Treatment Document And Classification: b633 fed spec single treatment response overall
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
12342675	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-449-1001?

The FSCG of the NSN 5305-01-449-1001 is 5305

Does the NSN 5305-01-449-1001 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-449-1001 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 5305-01-449-1001 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-449-1001 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 5305-01-449-1001 was assigned to the Federal Catalog?

It was assigned 28 years ago, on Fri, Sep 19, 1997