4820-01-377-3939

Find complete technical information, availability, and procurement data for: 4820-01-377-3939
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-377-3939

Item Name Code

05487

Assigment Date

07/15/1993 (33 years ago)

A straight fitting 12 inches (304 mm) long or under having the same or different type pipe connection of the same size on both ends. It is designed to join a pipe or pipe fitting to another pipe or pipe fitting. Excludes:fittings with threaded external connections on both ends. See also nipple, pipe.

flange all ends connection type, automatic valve operation method, disk flow control device, 8 all ends bolt hole quantity, 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
Valve Operation Method: automatic
Flange Shape: round with holes all ends
Connection Type: flange all ends
Mounting Position: horizontal or vertical
Valve Size: 5.000 inches
Maximum Operating Pressure: 125.0 pounds per square inch 1st response
Maximum Operating Pressure: 200.0 pounds per square inch 2nd response
Nominal Outside Diameter: 10.000 inches all ends
Face To Face Distance: 13.000 inches
Nominal Thickness: 0.938 inches all ends
Bolt Hole Nominal Diameter: 0.875 inches all ends
Bolt Circle Nominal Diameter: 8.500 inches all ends
Flange Face Design: plain all ends
Material: copper alloy 836 seat
Material: copper alloy 836 flow control device
Material: iron cast uns f12102 body
Media For Which Designed: steam 1st response
Media For Which Designed: water-oil-gas 2nd 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
2974A 500	Check Valve
F-2974 5.0IN	Check Valve

FAQs

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

What is the FSCG of the NSN 4820-01-377-3939?

The FSCG of the NSN 4820-01-377-3939 is 4820

Does the NSN 4820-01-377-3939 have a Schedule B code assigned?

Yes, the Schedule B code is 8481302010

Does NSN 4820-01-377-3939 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 4820-01-377-3939 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-377-3939 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 4820-01-377-3939 was assigned to the Federal Catalog?

It was assigned 33 years ago, on Thu, Jul 15, 1993