5305-01-490-1291

Find complete technical information, availability, and procurement data for: 5305-01-490-1291
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-490-1291

Item Name Code

16282

Assigment Date

09/20/2001 (24 years ago)

A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.

dee chamfer head style, 1.500 inches nominal thread length, 1.500 inches nominal fastener length, right-hand thread direction, 3a thread class

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: 1.500 inches nominal
Fastener Length: 1.500 inches nominal
Head Style: dee chamfer
Head Diameter: 0.550 inches minimum and 0.562 inches maximum
Head Height: 0.368 inches minimum and 0.375 inches maximum
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.375 inches
Width Across Flats: 0.312 inches minimum and 0.316 inches maximum
Thread Quantity Per Inch: 16
Minimum Tensile Strength: 12400 pounds per square inch
Material: steel uns k03104 overall
Material Document And Classification: astma574 assn std single material response overall
Surface Treatment: zinc and chromate overall
Surface Treatment Document And Classification: astmb633-78, type ii assn std all treatment responses 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
6510E71FN63	Socket Head Cap Screw
MS51484-18	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-490-1291?

The FSCG of the NSN 5305-01-490-1291 is 5305

Does the NSN 5305-01-490-1291 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-490-1291 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 5305-01-490-1291 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-490-1291 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 5305-01-490-1291 was assigned to the Federal Catalog?

It was assigned 24 years ago, on Thu, Sep 20, 2001