4820-01-198-2748

Find complete technical information, availability, and procurement data for: 4820-01-198-2748
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-198-2748

Item Name Code

05488

Assigment Date

01/06/1985 (41 years ago)

4 all ends bolt hole quantity, disk flow control device, threaded bonnet attachment method, inside screw bonnet type, automatic valve operation method

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: inside screw
Bonnet Attachment Method: threaded
Bolt Hole Quantity: 4 all ends
Valve Operation Method: automatic
Flange Shape: round with holes all ends
Connection Type: flange all ends
Valve Size: 1.000 inches
Adjustable Pressure Range: +33.0 to 40.0 pounds per square inch
Nominal Outside Diameter: 4.250 inches all ends
Nominal Thickness: 0.438 inches all ends
First Connection Face To Centerline Distance: 3.625 inches
Bolt Hole Nominal Diameter: 0.562 inches all ends
Second Connection Face To Centerline Distance: 3.625 inches
Bolt Circle Nominal Diameter: 3.125 inches all ends
Flange Face Design: plain all ends
Material: copper alloy 922 body
Material: nickel alloy flow control device
Material: nickel alloy stem
Material: plastic polytetrafluoroethylene seat
Style Designator: angle 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
R10AF2F209 AND D49254	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-198-2748?

The FSCG of the NSN 4820-01-198-2748 is 4820

Does the NSN 4820-01-198-2748 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-198-2748 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 4820-01-198-2748 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-198-2748 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 4820-01-198-2748 was assigned to the Federal Catalog?

It was assigned 41 years ago, on Sun, Jan 6, 1985