4820-00-835-4847

Find complete technical information, availability, and procurement data for: 4820-00-835-4847
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-835-4847

Item Name Code

05487

Assigment Date

01/01/1962 (64 years ago)

An item located within an aircraft specifically designed to indicate, by means of lights, the components in which a malfunction has occurred. This item does not make quantitative or qualitative tests as provided by test sets.

right-hand 2nd end thread direction, disk flow control device, 1.500 inches 2nd end nominal pipe size accommodated, 0.750 inches 1st end nominal pipe size accommodated, 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.

Nominal Pipe Size Accommodated: 0.750 inches 1st end
Nominal Pipe Size Accommodated: 1.500 inches 2nd end
Thread Direction: right-hand 1st end
Thread Direction: right-hand 2nd end
Flow Control Device: disk
Disk Loading Method: spring
Maximum Operating Temp: 500.0 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
Mounting Position: horizontal or vertical
Thread Quantity Per Inch: 11-1/2 2nd end
Maximum Operating Pressure: 300.0 pounds per square inch single response
Nominal Thread Size: 1.500 inches 2nd end
Nominal Thread Size: 0.750 inches 1st end
Material: steel corrosion resisting overall
Media For Which Designed: steam single response
Surface Treatment: passivate
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
R2A7558	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-00-835-4847?

The FSCG of the NSN 4820-00-835-4847 is 4820

Does the NSN 4820-00-835-4847 have a Schedule B code assigned?

Yes, the Schedule B code is 8481302090

Does NSN 4820-00-835-4847 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 4820-00-835-4847 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-835-4847 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 4820-00-835-4847 was assigned to the Federal Catalog?

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