5305-01-449-4457

Find complete technical information, availability, and procurement data for: 5305-01-449-4457
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-449-4457

Item Name Code

16282

Assigment Date

10/02/1997 (28 years ago)

An externally threaded fastener bent approximately 180 degrees (3.141 radians) in the shape of the letter u and with both ends threaded.

flat fillister head style, 1.450 inches minimum and 1.550 inches maximum thread length, right-hand thread direction, 2a thread class, 4.970 inches minimum and 5.000 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: 1.450 inches minimum and 1.550 inches maximum
Fastener Length: 4.970 inches minimum and 5.000 inches maximum
Head Style: flat fillister
Head Diameter: 0.458 inches minimum and 0.469 inches maximum
Head Height: 0.306 inches minimum and 0.312 inches maximum
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.312 inches
Width Across Flats: 0.250 inches minimum and 0.253 inches maximum
Nonstandard Thread Pitch Diameter: +0.2723 to 0.2764 inches
Thread Quantity Per Inch: 18
Material: steel comp 4130 or steel comp 8630 overall
Material Document And Classification: astm a322 or a331 .500 dia condition optional assn std single material response overall
Surface Treatment: zinc overall
Surface Treatment Document And Classification: astm b633 ty 2 embrittlement relieve after plating assn std 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
12933759	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-449-4457?

The FSCG of the NSN 5305-01-449-4457 is 5305

Does the NSN 5305-01-449-4457 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-449-4457 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 5305-01-449-4457 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-449-4457 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 5305-01-449-4457 was assigned to the Federal Catalog?

It was assigned 28 years ago, on Thu, Oct 2, 1997