VV-0075-71155577

View detailed technical data, stock status, and sourcing information for: VV-0075-71155577
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-420-1157

Item Name Code

35935

Assigment Date

10/06/1995 (30 years ago)

A spherical shaped device that may be of solid or hollow construction. It is designed to seat in an opening thereby preventing the passage of fluid. It may be used with a spring enabling the ball to become unseated at a predetermined pressure as exerted by the fluid flow and to become reseated in the absence of fluid pressure. For valve balls that include ports see ball, valve, ported.

4 all ends bolt hole quantity, 150.0 pounds per square inch single response maximum operating pressure, flange all ends connection type, round with holes all ends flange shape, 3.250 inches all ends nominal outside diameter

Product Characteristics

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

Bolt Hole Quantity: 4 all ends
Flange Shape: round with holes all ends
Connection Type: flange all ends
Maximum Operating Pressure: 150.0 pounds per square inch single response
Nominal Outside Diameter: 3.250 inches all ends
Nominal Thickness: 0.406 inches all ends
Bolt Hole Nominal Diameter: 0.625 inches all ends
Bolt Circle Nominal Diameter: 2.750 inches all ends
Flange Face Design: raised straight all ends
Raised Face Nominal Height: 0.062 inches all ends
Raised Face Nominal Diameter: 1.688 inches all ends
Special Features: valve size 0.750in
Material: copper alloy flow control device
Material: copper alloy seat
Material: steel body
Style Designator: straight thru
Furnished Items And Quantity: 1 cover

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
VV-0075-71155577	Vent Valve

FAQs

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

What is the FSCG of the NSN 4820-01-420-1157?

The FSCG of the NSN 4820-01-420-1157 is 4820

Does the NSN 4820-01-420-1157 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809050

Does NSN 4820-01-420-1157 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 4820-01-420-1157 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-420-1157 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 4820-01-420-1157 was assigned to the Federal Catalog?

It was assigned 30 years ago, on Fri, Oct 6, 1995