5305-00-273-6441

Find complete technical information, availability, and procurement data for: 5305-00-273-6441
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-273-6441

Item Name Code

16282

Assigment Date

01/01/1963 (63 years ago)

0.250 inches nominal thread length, flat chamfer head style, 3a thread class, 0.250 inches nominal 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: 0.250 inches nominal
Fastener Length: 0.250 inches nominal
Head Style: flat chamfer
Head Diameter: 0.178 inches minimum and 0.183 inches maximum
Head Height: 0.109 inches minimum and 0.112 inches maximum
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.112 inches
Width Across Flats: 0.078 inches minimum and 0.079 inches maximum
Thread Quantity Per Inch: 40
Material: steel comp 416 overall
Material Document And Classification: qq-s-00763a,cd a fed spec single material response overall
Surface Treatment: passivate overall
Thread Series Designator: unc
Nondefinitive Spec/Std Data: 1 type and 11 style

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
298233PC1	Socket Head Cap Screw
637443PC1	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-273-6441?

The FSCG of the NSN 5305-00-273-6441 is 5305

Does the NSN 5305-00-273-6441 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-273-6441 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 5305-00-273-6441 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-273-6441 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 5305-00-273-6441 was assigned to the Federal Catalog?

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