4820-01-265-7137

Find complete technical information, availability, and procurement data for: 4820-01-265-7137
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-265-7137

Item Name Code

05488

Assigment Date

10/17/1987 (38 years ago)

A manually operated valve having one inlet and two outlets. It is designed to control the direction of exhaust gases into either of the outlets, one outlet discharging directly into the atmosphere, the other discharging under water.

inside screw bonnet type, 4 1st end bolt hole quantity, disk flow control device, 150.0 fahrenheit single response maximum operating temp, bolted bonnet attachment 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: bolted
Bolt Hole Quantity: 4 1st end
Maximum Operating Temp: 150.0 fahrenheit single response
Connection Style: socket with brazing ring (tube) 2nd end
Valve Operation Method: automatic
Flange Shape: round with holes 1st end
Connection Type: flange 1st end
Connection Type: unthreaded internal tube 2nd end
Adjustable Pressure Range: +106.0 to 120.0 pounds per square inch
Maximum Operating Pressure: 150.0 pounds per square inch single response
Nominal Outside Diameter: 3.500 inches 1st end
Nominal Thickness: 0.312 inches 1st end
Bolt Hole Nominal Diameter: 0.625 inches 1st end
Bolt Circle Nominal Diameter: 2.375 inches 1st end
Flange Face Design: plain 1st end
Nominal Outside Diameter Tube Accommodated: 0.500 inches 2nd end
Material: copper alloy body
Material: nickel alloy flow control device
Material: nickel alloy seat
Material: nickel alloy stem
Media For Which Designed: gas, inert single response
Style Designator: angle

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
E20155N51M	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-265-7137?

The FSCG of the NSN 4820-01-265-7137 is 4820

Does the NSN 4820-01-265-7137 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-265-7137 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 4820-01-265-7137 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-265-7137 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 4820-01-265-7137 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Sat, Oct 17, 1987