4820-01-437-8284

Find complete technical information, availability, and procurement data for: 4820-01-437-8284
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-437-8284

Item Name Code

05488

Assigment Date

10/24/1996 (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.

spring disk loading method, right-hand all ends thread direction, disk flow control device, threaded bonnet attachment method, inside spring bonnet type

Product Characteristics

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

Thread Direction: right-hand all ends
Flow Control Device: disk
Bonnet Type: inside spring
Bonnet Attachment Method: threaded
Disk Loading Method: spring
Maximum Operating Temp: 400.0 fahrenheit single response
Connection Style: plain (pipe) 1st end
Connection Style: plain,optional end(pipe) 2nd end
Valve Operation Method: automatic or manual
Connection Type: threaded external pipe 1st end
Connection Type: threaded internal pipe 2nd end
Maximum Operating Pressure: 220.0 pounds per square inch single response
Nominal Thread Size: 1.000 inches all ends
Opening Pressure Setting: 220.0 pounds per square inch
Material: copper alloy body
Material: rubber seat
Material: steel stem
Media For Which Designed: air 2nd response
Media For Which Designed: steam 1st response
Style Designator: angle
Thread Series Designator: npt 1st end
Thread Series Designator: nptf 2nd end
Furnished Items And Quantity: 1 lever

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
19-401-49	Safety Relief Valve
19-401-SET 220PSI	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-437-8284?

The FSCG of the NSN 4820-01-437-8284 is 4820

Does the NSN 4820-01-437-8284 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-437-8284 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 4820-01-437-8284 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-437-8284 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 4820-01-437-8284 was assigned to the Federal Catalog?

It was assigned 29 years ago, on Thu, Oct 24, 1996