4820-00-209-2004

Find complete technical information, availability, and procurement data for: 4820-00-209-2004
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-209-2004

Item Name Code

05488

Assigment Date

04/20/1973 (53 years ago)

30800.0 pounds per hour valve discharge flow rate, inside spring bonnet type, 4 2nd end bolt hole quantity, spring disk loading method, threaded renewable seat ring type

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Bonnet Type: inside spring
Disk Loading Method: spring
Valve Discharge Flow Rate: 30800.0 pounds per hour
Renewable Seat Ring Type: threaded
Bolt Hole Quantity: 4 2nd end
Bolt Hole Quantity: 8 1st end
Maximum Operating Temp: 650.0 fahrenheit single response
Valve Operation Method: automatic
Flange Shape: round with holes 1st end
Flange Shape: round with holes 2nd end
Connection Type: flange 1st end
Connection Type: flange 2nd end
Features Provided: valve stem lock shield and pressure tight outlet side
Adjustable Pressure Range: +460.0 to 509.0 pounds per square inch
Maximum Operating Pressure: 600.0 pounds per square inch single response
Nominal Outside Diameter: 6.500 inches 1st end
Nominal Outside Diameter: 7.500 inches 2nd end
Nominal Thickness: 0.688 inches 2nd end
Nominal Thickness: 1.000 inches 1st end
Bolt Hole Nominal Diameter: 0.750 inches 2nd end
Bolt Hole Nominal Diameter: 0.750 inches 1st end
Bolt Circle Nominal Diameter: 5.000 inches 1st end
Bolt Circle Nominal Diameter: 6.000 inches 2nd 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: 3.625 inches 1st end
Raised Face Nominal Diameter: 5.000 inches 2nd end
Media For Which Designed: steam single response
Style Designator: angle
Reference Number Differentiating Characteristics: as differentiated by adjustable pressure range

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
1555JA	Safety Relief Valve
CP1434	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-209-2004?

The FSCG of the NSN 4820-00-209-2004 is 4820

Does the NSN 4820-00-209-2004 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-209-2004 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 4820-00-209-2004 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-209-2004 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 4820-00-209-2004 was assigned to the Federal Catalog?

It was assigned 53 years ago, on Fri, Apr 20, 1973