4820-01-312-1838

Find complete technical information, availability, and procurement data for: 4820-01-312-1838
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-312-1838

Item Name Code

45506

Assigment Date

12/12/1989 (36 years ago)

A valve having an orifice in the poppet, disk, or the like, to permit restricted fluid flow when the valve is seated. It does not have a stem or provisions for pressure adjustments, and is similar to a valve, check with the exception of the orifice which permits fluid flow in more than one direction.

hydraulic valve operation method, diaphragm flow control device, 2 end connection quantity, 5.562 inches flange diameter, 6 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.

Flange Diameter: 5.562 inches
Flow Control Device: diaphragm
End Connection Quantity: 2
Bolt Hole Quantity: 6
Valve Operation Method: hydraulic
Connection Type: flange, round w/holes
Valve Size: 2.000 inches
Maximum Operating Pressure And Media For Which Designed: 275.0 pounds per square inch fuel/oil, hydrocarbon
Body Material: copper alloy
Maximum Operating Temp And Media For Which Designed: 180.0 fahrenheit fuel/oil, hydrocarbon
Face To Face Distance: 9.375 inches
Flange Face Design: plain

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
403M-3 2IN P/N 90658G	Flow Control Valve
90658G	Flow Control Valve

FAQs

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

What is the FSCG of the NSN 4820-01-312-1838?

The FSCG of the NSN 4820-01-312-1838 is 4820

Does the NSN 4820-01-312-1838 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809015

Does NSN 4820-01-312-1838 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 4820-01-312-1838 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-312-1838 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 4820-01-312-1838 was assigned to the Federal Catalog?

It was assigned 36 years ago, on Tue, Dec 12, 1989