4820-01-337-4517

Find complete technical information, availability, and procurement data for: 4820-01-337-4517
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-337-4517

Item Name Code

05488

Assigment Date

04/14/1991 (35 years ago)

A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes:valve (1), relief, pressure and temperature.

280.0 fahrenheit 2nd response maximum operating temp, 3a 1st end thread class, poppet flow control device, right-hand 1st end thread direction, -40.0 fahrenheit 1st response maximum operating temp

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 1st end
Thread Direction: right-hand 1st end
Flow Control Device: poppet
Maximum Operating Temp: -40.0 fahrenheit 1st response
Maximum Operating Temp: 280.0 fahrenheit 2nd response
Connection Style: plain (tube) 1st end
Valve Operation Method: automatic
Connection Type: threaded external tube 1st end
Mounting Facility: panel
Adjustable Pressure Range: +73.0 to 150.0 pounds per square inch
Maximum Operating Pressure: 200.0 pounds per square inch single response
Nominal Thread Size: 0.750 inches 1st end
Opening Pressure Setting: 100.0 pounds per square inch
Material: steel comp 303 body
Media For Which Designed: air 1st response
Media For Which Designed: alcohol, ethyl 2nd response
Media For Which Designed: ammonia, gaseous 3rd response
Media For Which Designed: fuel/oil, hydrocarbon 4th response
Media For Which Designed: helium 5th response
Style Designator: straight thru
Thread Series Designator: unjf 1st end
Furnished Items And Quantity: 1 deflector cap

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
5642 ITEM 24	Safety Relief Valve
5652 ASSY G507	Safety Relief Valve
5652C-G507	Safety Relief Valve
D559T-8D-100	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-337-4517?

The FSCG of the NSN 4820-01-337-4517 is 4820

Does the NSN 4820-01-337-4517 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-337-4517 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 4820-01-337-4517 contain precious materials?

Precious metal content is unknown

Does NSN 4820-01-337-4517 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 4820-01-337-4517 was assigned to the Federal Catalog?

It was assigned 35 years ago, on Sun, Apr 14, 1991