4820-01-299-0411

Find complete technical information, availability, and procurement data for: 4820-01-299-0411
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-299-0411

Item Name Code

05488

Assigment Date

04/24/1989 (37 years ago)

A valve having one outlet and two inlets that are usually opposite each other. It has a fluid pressure operated pistonlike item, called a shuttle, that controls either inlet. It is commonly used to provide an emergency passage for fluid in an aircraft hydraulic or pneumatic system in case of loss of pressure in the normal service lines.

right-hand all ends thread direction, disk flow control device, plain (pipe) all ends connection style, automatic valve operation method, 250.0 fahrenheit single response maximum operating temp

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
Maximum Operating Temp: 250.0 fahrenheit single response
Connection Style: plain (pipe) all ends
Valve Operation Method: automatic
Connection Type: threaded external pipe all ends
Adjustable Pressure Range: +2.0 to 100.0 pounds per square inch
Maximum Operating Pressure: 200.0 pounds per square inch single response
Nominal Thread Size: 0.125 inches all ends
Opening Pressure Setting: 60.0 pounds per square inch
Material: copper alloy body
Material: rubber seat
Style Designator: angle
Thread Series Designator: npt all ends

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
128-60X1/8	Safety Relief Valve
128-A1/8IN-60PSI	Safety Relief Valve
128A-60XY8	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-299-0411?

The FSCG of the NSN 4820-01-299-0411 is 4820

Does the NSN 4820-01-299-0411 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-299-0411 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 4820-01-299-0411 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-299-0411 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 4820-01-299-0411 was assigned to the Federal Catalog?

It was assigned 37 years ago, on Mon, Apr 24, 1989