4820-00-976-0348

Find complete technical information, availability, and procurement data for: 4820-00-976-0348
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-976-0348

Item Name Code

05488

Assigment Date

01/01/1962 (64 years ago)

spring disk loading method, 250.0 fahrenheit single response maximum operating temp, poppet flow control device, plain (pipe) 1st end connection style, right-hand 1st end thread direction

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 1st end
Flow Control Device: poppet
Disk Loading Method: spring
Maximum Operating Temp: 250.0 fahrenheit single response
Connection Style: plain (pipe) 1st end
Valve Operation Method: automatic
Connection Type: threaded external pipe 1st end
Maximum Operating Pressure: 200.0 pounds per square inch single response
Nominal Thread Size: 0.250 inches 1st end
Opening Pressure Setting: 15.0 pounds per square inch
Special Features: pop-off type
Material: copper alloy overall
Media For Which Designed: acetylene 1st response
Media For Which Designed: air 2nd response
Media For Which Designed: ammonia, liquid 3rd response
Media For Which Designed: gas, inert 4th response
Media For Which Designed: hydrogen 5th response
Surface Treatment: chromium
Style Designator: straight thru note: to be used for valve bodies of one section only.
Thread Series Designator: npt 1st end

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
11779 PT NO. 12	Safety Relief Valve
559B-2M-15	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-976-0348?

The FSCG of the NSN 4820-00-976-0348 is 4820

Does the NSN 4820-00-976-0348 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-976-0348 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 4820-00-976-0348 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-976-0348 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 4820-00-976-0348 was assigned to the Federal Catalog?

It was assigned 64 years ago, on Mon, Jan 1, 1962