2771T 1/2IN 38PS

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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-414-8041

Item Name Code

05488

Assigment Date

06/14/1995 (31 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.

disk flow control device, 200.0 fahrenheit single response maximum operating temp, seawolf class ssn end item identification, 4 all ends bolt hole quantity, spring disk loading 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
Disk Loading Method: spring
Bolt Hole Quantity: 4 all ends
Maximum Operating Temp: 200.0 fahrenheit single response
End Item Identification: seawolf class ssn
Valve Operation Method: automatic
Flange Shape: round with holes all ends
Connection Type: flange all ends
Valve Size: 0.500 inches
Maximum Operating Pressure: 235.0 pounds per square inch single response
Opening Pressure Setting: 38.0 pounds per square inch
Nominal Outside Diameter: 3.500 inches all ends
Nominal Thickness: 0.438 inches all ends
First Connection Face To Centerline Distance: 3.250 inches
Bolt Hole Nominal Diameter: 0.625 inches all ends
Second Connection Face To Centerline Distance: 3.250 inches
Bolt Circle Nominal Diameter: 2.375 inches all ends
Flange Face Design: raised straight all ends
Raised Face Nominal Height: 0.062 inches all ends
Raised Face Nominal Diameter: 1.188 inches all ends
Material: steel comp 316 seat
Material: steel comp 316 stem
Material: steel corrosion resisting flow control device
Material: steel uns j92800 body
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
211066617	Safety Relief Valve
2771T 1/2IN 38PS	Safety Relief Valve
2771T 1/2IN 38PSI	Safety Relief Valve
SW145 38PSI	Safety Relief Valve
SW145-01-E-0038	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-414-8041?

The FSCG of the NSN 4820-01-414-8041 is 4820

Does the NSN 4820-01-414-8041 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-414-8041 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 4820-01-414-8041 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-414-8041 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 4820-01-414-8041 was assigned to the Federal Catalog?

It was assigned 31 years ago, on Wed, Jun 14, 1995