4820-01-217-5712

Find complete technical information, availability, and procurement data for: 4820-01-217-5712
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-217-5712

Item Name Code

05488

Assigment Date

09/28/1985 (40 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.

6 2nd end bolt hole quantity, spring disk loading method, 8 1st end bolt hole quantity, disk flow control device, automatic 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.

Flow Control Device: disk
Disk Loading Method: spring
Bolt Hole Quantity: 6 2nd end
Bolt Hole Quantity: 8 1st end
Valve Operation Method: automatic
Flange Shape: round with holes all ends
Connection Type: flange all ends
Valve Size: 2.500 inches
Adjustable Pressure Range: +558.0 to 677.0 pounds per square inch
Nominal Outside Diameter: 6.125 inches 2nd end
Nominal Outside Diameter: 7.500 inches 1st end
Nominal Thickness: 0.625 inches 2nd end
Nominal Thickness: 1.375 inches 1st end
First Connection Face To Centerline Distance: 5.500 inches
Bolt Hole Nominal Diameter: 0.562 inches 2nd end
Bolt Hole Nominal Diameter: 0.812 inches 1st end
Second Connection Face To Centerline Distance: 5.750 inches
Bolt Circle Nominal Diameter: 5.000 inches 2nd end
Bolt Circle Nominal Diameter: 5.875 inches 1st end
Flange Face Design: raised straight 1st end
Flange Face Design: raised straight 2nd end
Raised Face Nominal Height: 0.062 inches 2nd end
Raised Face Nominal Height: 0.250 inches 1st end
Raised Face Nominal Diameter: 4.000 inches 2nd end
Raised Face Nominal Diameter: 5.000 inches 1st end
Material: steel body
Material: steel corrosion resisting flow control device
Material: steel corrosion resisting stem
Material Document And Classification: 17-4-ph assn std single material response flow control device
Material Document And Classification: mil-s-15083,cl b mil spec single material response body
Material Document And Classification: qq-s-763,416 fed spec single material response stem
Style Designator: angle flanged 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
L42202 2 1/2IN	Safety Relief Valve
L42202 2 1/2IN 558 TO 677 PSI	Safety Relief Valve
NMP-495	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-217-5712?

The FSCG of the NSN 4820-01-217-5712 is 4820

Does the NSN 4820-01-217-5712 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-217-5712 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 4820-01-217-5712 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-217-5712 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 4820-01-217-5712 was assigned to the Federal Catalog?

It was assigned 40 years ago, on Sat, Sep 28, 1985