4820-00-252-4830

Find complete technical information, availability, and procurement data for: 4820-00-252-4830
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-252-4830

Item Name Code

05488

Assigment Date

01/13/1972 (54 years ago)

A valve having a flat or tapered disk (gate) which moves transversely to the axis of flow by rotating or sliding movements of the stem to open or close the orifice. It may also contain an oval or rectangular shaped slide which may be manually, motor, or pressure operated through the means of an arm or arm assembly. The body flange may be designed to accommodate tube type connectors. It may or may not contain thermal relief features. Includes valve (gate) specifically designed for the control of fluid systems in aircraft or missiles.

bolted bonnet attachment method, 59900.0 pounds per hour valve discharge flow rate, exposed spring bonnet type, spring disk loading method, disk flow control device

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
Bonnet Type: exposed spring
Bonnet Attachment Method: bolted
Disk Loading Method: spring
Valve Discharge Flow Rate: 59900.0 pounds per hour
Renewable Seat Ring Type: threaded
Bolt Hole Quantity: 9 2nd end
Bolt Hole Quantity: 8 1st end
Valve Operation Method: automatic or manual
Flange Shape: round with holes 1st end
Flange Shape: round with holes 2nd end
Connection Type: flange 1st end
Connection Type: flange 2nd end
Adjustable Pressure Range: +1246.0 to 1379.0 pounds per square inch
Opening Pressure Setting: 1365.0 pounds per square inch
Nominal Outside Diameter: 9.250 inches 2nd end
Nominal Outside Diameter: 9.625 inches 1st end
Bolt Hole Nominal Diameter: 0.812 inches 2nd end
Bolt Hole Nominal Diameter: 1.062 inches 1st end
Bolt Circle Nominal Diameter: 7.500 inches 1st end
Bolt Circle Nominal Diameter: 7.688 inches 2nd end
Flange Face Design: plain 1st end
Flange Face Design: plain 2nd end
Style Designator: angle
Reference Number Differentiating Characteristics: as differentiated by the valve discharge flow rate requirement

FAQs

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

What is the FSCG of the NSN 4820-00-252-4830?

The FSCG of the NSN 4820-00-252-4830 is 4820

Does the NSN 4820-00-252-4830 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-252-4830 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 4820-00-252-4830 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-252-4830 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 4820-00-252-4830 was assigned to the Federal Catalog?

It was assigned 54 years ago, on Thu, Jan 13, 1972