4820-01-312-1908

Find complete technical information, availability, and procurement data for: 4820-01-312-1908
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-312-1908

Item Name Code

27565

Assigment Date

12/12/1989 (36 years ago)

A valve specifically designed to automatically maintain a predetermined discharge flow rate which may be adjustable within a specific range. It is designed to be used with various fluids and may be preset and/or adjustable. It may be in-line or cartridge (manifold) design. Excludes:valve, regulating, feed water; valve, regulating, fluid pressure; valve, regulating, fuel oil; valve, regulating, oil pressure, automatic pilot; vavle, regulating, temperature; valve, angle; and valve, globe.

straight thru body style, 7.500 inches nominal first end flange outside diameter, raised first end style designator, raised face flange first end connection type, steam media for which designed

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

First End Flange Outside Diameter: 7.500 inches nominal
Body Style: straight thru
Media For Which Designed: steam
First End Connection Type: raised face flange
First End Style Designator: raised
First End Raised Face Height: 0.250 inches nominal
First End Raised Face Diameter: 4.125 inches nominal
First End Flange Shape Style: round w/ bolt holes
First End Flange Thickness: 1.125 inches nominal
First End Bolt Hole Quantity: 8
First End Bolt Hole Diameter: 0.875 inches nominal
First End Bolt Circle Diameter: 5.875 inches nominal
Second End Relationship With First End: identical
Flow Control Device: disk
Flow Control Device Material: unable to decode
End Connection Quantity: 2
Regulation Type: automatic single stage
Valve Loading Method: spring
Remote Actuation Method: piston
Maximum Inlet Pressure Rating: 870.0 pounds per square inch
Outlet Pressure Setting: 135.0 pounds per square inch
Filter: not included
Material: unable to decode

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
L5-5 FOR TCEP	Fluid Pressure Regulating Valve
QLS-5	Fluid Pressure Regulating Valve
QLS-5-2.5IN	Fluid Pressure Regulating Valve
U303933401	Fluid Pressure Regulating Valve

FAQs

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

What is the FSCG of the NSN 4820-01-312-1908?

The FSCG of the NSN 4820-01-312-1908 is 4820

Does the NSN 4820-01-312-1908 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809015

Does NSN 4820-01-312-1908 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 4820-01-312-1908 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-312-1908 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 4820-01-312-1908 was assigned to the Federal Catalog?

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