4820-01-439-2421

Find complete technical information, availability, and procurement data for: 4820-01-439-2421
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-439-2421

Item Name Code

05488

Assigment Date

12/03/1996 (29 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.

500.0 pounds per square inch opening pressure setting, automatic valve operation method, strategic sealift conversion ships class end item identification, pressure range 50 psi to 1000 psi; screw adjusting special features

Product Characteristics

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

End Item Identification: strategic sealift conversion ships class
Valve Operation Method: automatic
Opening Pressure Setting: 500.0 pounds per square inch
Special Features: pressure range 50 psi to 1000 psi; screw adjusting

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
15CPR1-S-10-G3	Safety Relief Valve
2.930.0060.372 PN4.6	Safety Relief Valve
3.930.0060.340 PN4.6	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-439-2421?

The FSCG of the NSN 4820-01-439-2421 is 4820

Does the NSN 4820-01-439-2421 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-439-2421 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 4820-01-439-2421 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-439-2421 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 4820-01-439-2421 was assigned to the Federal Catalog?

It was assigned 29 years ago, on Tue, Dec 3, 1996