4820-01-198-4188

Find complete technical information, availability, and procurement data for: 4820-01-198-4188
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-198-4188

Item Name Code

05487

Assigment Date

01/09/1985 (41 years ago)

8 all ends bolt hole quantity, automatic valve operation method, 250.0 fahrenheit single response maximum operating temp, disk flow control device, round with holes all ends flange shape

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
Bolt Hole Quantity: 8 all ends
Maximum Operating Temp: 250.0 fahrenheit single response
Valve Operation Method: automatic
Flange Shape: round with holes all ends
Connection Type: flange all ends
Mounting Facility: threaded fastener
Mounting Position: horizontal or vertical
Valve Size: 6.000 inches
Nominal Outside Diameter: 11.000 inches all ends
Face To Face Distance: 5.500 inches
Nominal Thickness: 1.000 inches all ends
Bolt Hole Nominal Diameter: 0.750 inches all ends
Bolt Circle Nominal Diameter: 9.500 inches all ends
Flange Face Design: plain all ends
Material: copper alloy body
Material: rubber butadiene-acrylonitrile class nbr seat
Media For Which Designed: water, fresh single response
Style Designator: straight thru 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
12-D-R 6IN A-9886 PL-4551	Check Valve
12-D-R PL-4226,PL-4551 6IN	Check Valve
12D-R PL-4426,P	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-01-198-4188?

The FSCG of the NSN 4820-01-198-4188 is 4820

Does NSN 4820-01-198-4188 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 4820-01-198-4188 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-198-4188 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 4820-01-198-4188 was assigned to the Federal Catalog?

It was assigned 41 years ago, on Wed, Jan 9, 1985