4820-01-117-1577

Find complete technical information, availability, and procurement data for: 4820-01-117-1577
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-117-1577

Item Name Code

05488

Assigment Date

08/09/1981 (44 years ago)

225.0 fahrenheit single response maximum operating temp, plain (pipe) 2nd end connection style, poppet flow control device, right-hand 1st end thread direction, right-hand 2nd 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: 225.0 fahrenheit single response
Connection Style: plain (pipe) 2nd end
Connection Style: plain,optional end(pipe) 1st end
Valve Operation Method: automatic
Connection Type: threaded external pipe 2nd end
Connection Type: threaded internal pipe 1st end
Adjustable Pressure Range: +430.0 to 650.0 pounds per square inch
Maximum Operating Pressure: 650.0 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: 550.0 pounds per square inch
Material: aluminum alloy 2014 body
Material: rubber butadiene-acrylonitrile class nbr seat
Material: steel comp 416 flow control device
Material Document And Classification: aisi 416 assn std single material response flow control device
Material Document And Classification: qq-a-225/4,alloy 2014,t4 fed spec single material response body
Media For Which Designed: air 1st response
Media For Which Designed: oil, hydraulic 2nd response
Style Designator: angle
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
5165982	Safety Relief Valve
621B-6-1/4-2	Safety Relief Valve
626B-6-1/4-2	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-117-1577?

The FSCG of the NSN 4820-01-117-1577 is 4820

Does the NSN 4820-01-117-1577 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-117-1577 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 4820-01-117-1577 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-117-1577 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 4820-01-117-1577 was assigned to the Federal Catalog?

It was assigned 44 years ago, on Sun, Aug 9, 1981