4820-01-254-5596

Find complete technical information, availability, and procurement data for: 4820-01-254-5596
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-254-5596

Item Name Code

32528

Assigment Date

05/07/1987 (39 years ago)

An item usually metallic, threaded or unthreaded, used for securing to or positioning into a mating part. It is designed to be used in a globe, relief, regulator valve and the like as a means of controlling the flow of liquids or gases in a given system. One end may have an integral disk or be designed to accommodate a metallic or nonmetallic disk. The other end is designed for a handwheel, lever, spring, diaphragm and the like for nonpowered operation or to accommodate a gear, solenoid, air motor and the like for powered operation. The handwheel and/or disk may be furnished with the item. Excludes:stem, faucet; and stem, needle valve.

threaded externally stem actuating end type, relief valve type for which designed, 2.500 inches valve size for which designed, 1.000 inches nominal largest outside diameter, 17.875 inches nominal overall length

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Overall Length: 17.875 inches nominal
Largest Outside Diameter: 1.000 inches nominal
Valve Type For Which Designed: relief
Valve Size For Which Designed: 2.500 inches
Stem Actuating End Type: threaded externally
Valve Model Number For Which Designed: hn-3
Material: nickel alloy
Furnished Items And Quantity: 1 disk and 1 ball and 1 pin

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
A-42437	Fluid Valve Stem
A-42437 PIECE 2	Fluid Valve Stem
A-42437 PIECE 24 TO 27	Fluid Valve Stem

FAQs

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

What is the FSCG of the NSN 4820-01-254-5596?

The FSCG of the NSN 4820-01-254-5596 is 4820

Does the NSN 4820-01-254-5596 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-254-5596 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 4820-01-254-5596 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-254-5596 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 4820-01-254-5596 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Thu, May 7, 1987