4820-00-289-3781

Find complete technical information, availability, and procurement data for: 4820-00-289-3781
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-289-3781

Item Name Code

05488

Assigment Date

01/01/1963 (63 years ago)

spring disk loading method, 0.500 inches 1st end nominal pipe size accommodated, swivel nut,gasket seal(tube) all ends connection style, 425.0 fahrenheit single response maximum operating temp, threaded renewable seat ring type

Product Characteristics

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

Nominal Pipe Size Accommodated: 0.500 inches 1st end
Disk Loading Method: spring
Renewable Seat Ring Type: threaded
Maximum Operating Temp: 425.0 fahrenheit single response
Connection Style: swivel nut,gasket seal(tube) all ends
Valve Operation Method: automatic
Connection Type: unthreaded internal pipe 1st end
Adjustable Pressure Range: +51.0 to 70.0 pounds per square inch
Maximum Operating Pressure: 100.0 pounds per square inch single response
Special Features: w/lifting lever
Material: copper alloy body
Material: nickel alloy seat
Material: nickel alloy stem
Media For Which Designed: water, salt single response
Style Designator: angle

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NMP-603 OPT.A B	Safety Relief Valve
NMP-603-51T70PSI	Safety Relief Valve
NMP060311S0051	Safety Relief Valve
NMP0603H11S0051	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-289-3781?

The FSCG of the NSN 4820-00-289-3781 is 4820

Does the NSN 4820-00-289-3781 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-289-3781 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 4820-00-289-3781 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-289-3781 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 4820-00-289-3781 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963