5305-01-503-8689

Find complete technical information, availability, and procurement data for: 5305-01-503-8689
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-503-8689

Item Name Code

16282

Assigment Date

01/10/2003 (23 years ago)

A valve designed to automatically maintain within close limits a predetermined outlet pressure which may be adjustable within a specified range regardless of the higher fluctuating or constant inlet pressure. It is designed for use with compressed gas(es) and various liquids and may include gauges. It may be inline or cartridge (manifold) design. Excludes:regulator, pressure, medical gas administration apparatus; regulator, oxygen, barometric continuous flow; regulator, oxygen demand; regulator, oxygen diluter demand; and valve(1), fluid pressure regulating, aircraft.

3.500 inches nominal fastener length, flat chamfer head style, 2a thread class, 3.120 inches nominal thread 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: 2a
Thread Direction: right-hand
Thread Length: 3.120 inches nominal
Fastener Length: 3.500 inches nominal
Head Style: flat chamfer
Head Diameter: 1.479 inches minimum and 1.500 inches maximum
Head Height: 0.988 inches minimum and 1.000 inches maximum
Internal Drive Style: hexagon
End Item Identification: 5985-01-384-6753
Nominal Thread Diameter: 1.000 inches
Width Across Flats: 0.750 inches nominal
Thread Quantity Per Inch: 8
Material: steel overall
Material Document And Classification: sae grade 8 assn std single material response overall
Surface Treatment: zinc and chromate overall
Surface Treatment Document And Classification: qq-z-325, type 2, class 3 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
SM-F-715217-12	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-503-8689?

The FSCG of the NSN 5305-01-503-8689 is 5305

Does the NSN 5305-01-503-8689 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-503-8689 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 5305-01-503-8689 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-503-8689 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 5305-01-503-8689 was assigned to the Federal Catalog?

It was assigned 23 years ago, on Fri, Jan 10, 2003