4820-01-365-9030

Find complete technical information, availability, and procurement data for: 4820-01-365-9030
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-365-9030

Item Name Code

05488

Assigment Date

10/19/1992 (33 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.

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

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: integral
Disk Loading Method: spring
Maximum Operating Temp: 450.0 fahrenheit single response
End Item Identification: 3655-00-722-3901
Connection Style: plain (pipe) 1st endplain,optional end(pipe) 2nd end
Valve Operation Method: automatic
Connection Type: threaded external pipe 1st endthreaded internal pipe 2nd end
Maximum Operating Pressure: 300.0 pounds per square inch single response
Nominal Thread Size: 1.000 inches 1st end1.250 inches 2nd end
Opening Pressure Setting: 90.0 pounds per square inch
Material: copper alloy overall
Media For Which Designed: steam single response
Style Designator: angle
Thread Series Designator: npt all ends

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
1856M-1X1.25-90	Safety Relief Valve
1856M-1X1.25-90PSI	Safety Relief Valve
19-402-19	Safety Relief Valve
19KFEK90	Safety Relief Valve
581419-002	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-365-9030?

The FSCG of the NSN 4820-01-365-9030 is 4820

Does the NSN 4820-01-365-9030 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-365-9030 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 4820-01-365-9030 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-365-9030 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 4820-01-365-9030 was assigned to the Federal Catalog?

It was assigned 33 years ago, on Mon, Oct 19, 1992