4820-01-254-5527

Find complete technical information, availability, and procurement data for: 4820-01-254-5527
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-254-5527

Item Name Code

05487

Assigment Date

05/07/1987 (39 years ago)

A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.

poppet flow control device, 200.0 fahrenheit single response maximum operating temp, flared (tube) 2nd end connection style, right-hand all ends thread direction, 3a 2nd end thread class

Product Characteristics

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

Thread Class: 3a 2nd end
Thread Direction: right-hand all ends
Flow Control Device: poppet
Maximum Operating Temp: 200.0 fahrenheit single response
Connection Style: flared (tube) 2nd end
Connection Style: plain (pipe) 1st end
Valve Operation Method: automatic
Connection Type: threaded external pipe 1st end
Connection Type: threaded external tube 2nd end
Mounting Position: vertical
Thread Quantity Per Inch: 12 2nd end
Maximum Operating Pressure: 3000.0 pounds per square inch single response
Nominal Thread Size: 0.750 inches 1st end
Nominal Thread Size: 1.062 inches 2nd end
Seat Angle: 37.0 degrees 2nd end
Material: steel corrosion resisting body
Media For Which Designed: air 1st response
Media For Which Designed: hydraulic fluid, mineral base 2nd response
Style Designator: straight thru
Thread Series Designator: npt 1st end
Thread Series Designator: un 2nd 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
485-12SS1-2	Check Valve
485-3/4SS1-2	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-01-254-5527?

The FSCG of the NSN 4820-01-254-5527 is 4820

Does the NSN 4820-01-254-5527 have a Schedule B code assigned?

Yes, the Schedule B code is 8481302090

Does NSN 4820-01-254-5527 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 4820-01-254-5527 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-254-5527 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 4820-01-254-5527 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Thu, May 7, 1987