4820-01-171-4393

Find complete technical information, availability, and procurement data for: 4820-01-171-4393
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-171-4393

Item Name Code

05488

Assigment Date

02/07/1984 (42 years ago)

4 all ends bolt hole quantity, bolted bonnet attachment method, disk flow control device, inside screw bonnet type, 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
Bonnet Type: inside screw
Bonnet Attachment Method: bolted
Disk Loading Method: spring
Bolt Hole Quantity: 4 all ends
Maximum Operating Temp: 250.0 fahrenheit single response
Valve Operation Method: automatic
Flange Shape: round with holes all ends
Connection Type: flange all ends
Valve Size: 1.500 inches
Adjustable Pressure Range: +59.0 to 72.0 pounds per square inch
Maximum Operating Pressure: 300.0 pounds per square inch single response
Opening Pressure Setting: 72.0 pounds per square inch
Nominal Outside Diameter: 7.500 inches all ends
Nominal Thickness: 0.437 inches all ends
First Connection Face To Centerline Distance: 4.750 inches
Bolt Hole Nominal Diameter: 0.625 inches all ends
Second Connection Face To Centerline Distance: 4.750 inches
Bolt Circle Nominal Diameter: 3.875 inches all ends
Flange Face Design: plain all ends
Material: copper alloy body
Material: nickel alloy flow control device
Material: nickel alloy seat
Material: steel corrosion resisting stem
Style Designator: angle flanged ends
Furnished Items And Quantity: 1 lever

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
R10AH2H212	Safety Relief Valve
R10AH2H212 59T72PSI D49916	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-171-4393?

The FSCG of the NSN 4820-01-171-4393 is 4820

Does the NSN 4820-01-171-4393 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-171-4393 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 4820-01-171-4393 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-171-4393 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 4820-01-171-4393 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Tue, Feb 7, 1984