NMP228-18T32PSI

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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-300-5225

Item Name Code

05488

Assigment Date

05/15/1989 (37 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, copper alloy body material, automatic valve operation method, 22.0 pounds per square inch opening pressure setting, 1.250 inches valve size

Product Characteristics

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

Flow Control Device: disk
Valve Operation Method: automatic
Valve Size: 1.250 inches
Opening Pressure Setting: 22.0 pounds per square inch
Material: copper alloy body
Media For Which Designed: steam single response

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
LL2114C 1-1/4IN	Safety Relief Valve
LL2114C 1-1/4IN 18T32PSI	Safety Relief Valve
LL2114C 1-1/4IN25PSISET,NMP228	Safety Relief Valve
NMP228-18T32PSI	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-300-5225?

The FSCG of the NSN 4820-01-300-5225 is 4820

Does the NSN 4820-01-300-5225 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-300-5225 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 4820-01-300-5225 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-300-5225 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 4820-01-300-5225 was assigned to the Federal Catalog?

It was assigned 37 years ago, on Mon, May 15, 1989