4820-01-174-1711

Find complete technical information, availability, and procurement data for: 4820-01-174-1711
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-174-1711

Item Name Code

16989

Assigment Date

03/15/1984 (42 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.

3a 1st end thread class, 50.0 pounds per square inch 1st response maximum operating pressure, right-hand 1st end thread direction, poppet flow control device, manual valve operation method

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 1st end
Thread Direction: right-hand 1st end
Flow Control Device: poppet
Valve Operation Method: manual
Maximum Operating Pressure: 50.0 pounds per square inch 1st response
Nominal Thread Size: 0.750 inches 1st end
Media For Which Designed: fuel/oil, hydrocarbon single response
Style Designator: angle
Thread Series Designator: unjf 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
68C1S	Poppet Drain Cock
75B580070-115	Poppet Drain Cock
75B580070-119	Poppet Drain Cock
79C3SA	Poppet Drain Cock

FAQs

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

What is the FSCG of the NSN 4820-01-174-1711?

The FSCG of the NSN 4820-01-174-1711 is 4820

Does the NSN 4820-01-174-1711 have a Schedule B code assigned?

Yes, the Schedule B code is 8481909090

Does NSN 4820-01-174-1711 require demilitarization?

"commerce control list items (ccli) - mut to the point of scrap required outside the united states. Inside the united states, mut is required when the demil integrity code (ic) is "3" and mut is not required when the demic is "6" (note 8)"

Does NSN 4820-01-174-1711 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-174-1711 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 4820-01-174-1711 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Thu, Mar 15, 1984