11AV-3/4 IN. ORIFICE

View detailed technical data, stock status, and sourcing information for: 11AV-3/4 IN. ORIFICE
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-040-5557

Item Name Code

05488

Assigment Date

05/08/1977 (49 years ago)

disk flow control device, plain,optional end(pipe) all ends connection style, 2211.0 cubic feet per minute valve discharge flow rate, 500.0 fahrenheit single response maximum operating temp, right-hand all ends 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 all ends
Flow Control Device: disk
Valve Discharge Flow Rate: 2211.0 cubic feet per minute
Maximum Operating Temp: 500.0 fahrenheit single response
Connection Style: plain,optional end(pipe) all ends
Valve Operation Method: automatic
Connection Type: threaded external pipe all ends
Maximum Operating Pressure: 400.0 pounds per square inch single response
Nominal Thread Size: 0.500 inches 2nd end
Nominal Thread Size: 0.750 inches 1st end
Material: steel corrosion resisting overall
Media For Which Designed: air single response
Style Designator: straight thru note: to be used for valve bodies of one section only.
Thread Series Designator: npt all ends
Furnished Items And Quantity: 1 float and 1 lever

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
11AV-3-4	Safety Relief Valve
11AV-3/4 IN. ORIFICE	Safety Relief Valve
11AV-3/4IN, 1/8IN ORFICE	Safety Relief Valve
C3510-3	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-040-5557?

The FSCG of the NSN 4820-01-040-5557 is 4820

Does the NSN 4820-01-040-5557 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-040-5557 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 4820-01-040-5557 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-040-5557 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 4820-01-040-5557 was assigned to the Federal Catalog?

It was assigned 49 years ago, on Sun, May 8, 1977