4820-01-087-4876

Find complete technical information, availability, and procurement data for: 4820-01-087-4876
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-087-4876

Item Name Code

05488

Assigment Date

12/19/1979 (46 years ago)

right-hand 2nd end thread direction, plain (pipe) 1st endplain,optional end(pipe) 2nd end connection style, 250.0 fahrenheit single response maximum operating temp, poppet flow control device, 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
Thread Direction: right-hand 2nd end
Flow Control Device: poppet
Maximum Operating Temp: 250.0 fahrenheit single response
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: 200.0 pounds per square inch single response
Nominal Thread Size: 0.250 inches 1st end
Nominal Thread Size: 0.250 inches 2nd end
Opening Pressure Setting: 6.0 pounds per square inch
Special Features: inline type
Material: steel comp 303 overall
Material Document And Classification: aisi 303 assn std single material response overall
Media For Which Designed: acetylene 2nd response
Media For Which Designed: air 1st response
Media For Which Designed: gas, inert 4th response
Media For Which Designed: hydrogen 3rd response
Media For Which Designed: refrigerant, halogenated 5th response
Style Designator: straight thru
Thread Series Designator: npt 2nd end
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
559T-2MP-6	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-087-4876?

The FSCG of the NSN 4820-01-087-4876 is 4820

Does the NSN 4820-01-087-4876 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-087-4876 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 4820-01-087-4876 contain precious materials?

Precious metal content is unknown

Does NSN 4820-01-087-4876 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 4820-01-087-4876 was assigned to the Federal Catalog?

It was assigned 46 years ago, on Wed, Dec 19, 1979