4820-01-398-2072

Find complete technical information, availability, and procurement data for: 4820-01-398-2072
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-398-2072

Item Name Code

05486

Assigment Date

10/26/1994 (31 years ago)

A valve designed specifically so the diaphragm seals the flow stream from the valve operating mechanism. The flow is controlled by the lifting of the diaphragm from or compressing it against an integral seat. For packless diaphragm valves which utilize a diaphragm as packing and a disk to control the flow, see valve, y.

outside screw-yoke bonnet type, bolted bonnet attachment method, manual valve operation method, disk flow control device, 8 all ends bolt hole quantity

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: outside screw-yoke
Bonnet Attachment Method: bolted
Bolt Hole Quantity: 8 all ends
Valve Operation Method: manual
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: 11.000 inches all ends
Nominal Thickness: 0.812 inches all ends
Bolt Hole Nominal Diameter: 0.875 inches all ends
Bolt Circle Nominal Diameter: 9.500 inches all ends
Flange Face Design: plain all ends
Material: copper alloy body
Material: copper alloy flow control device
Material: copper alloy seat
Style Designator: straight thru

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
B15A-SC 6.00IN	Stop-Check Valve

FAQs

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

What is the FSCG of the NSN 4820-01-398-2072?

The FSCG of the NSN 4820-01-398-2072 is 4820

Does the NSN 4820-01-398-2072 have a Schedule B code assigned?

Yes, the Schedule B code is 8481301090

Does NSN 4820-01-398-2072 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 4820-01-398-2072 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-398-2072 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 4820-01-398-2072 was assigned to the Federal Catalog?

It was assigned 31 years ago, on Wed, Oct 26, 1994