4820-01-141-8847

Find complete technical information, availability, and procurement data for: 4820-01-141-8847
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-141-8847

Item Name Code

05488

Assigment Date

11/07/1982 (43 years ago)

450.0 fahrenheit single response maximum operating temp, spring disk loading method, disk flow control device, 12 2nd end bolt hole quantity, 16 1st end 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.

Flow Control Device: disk
Disk Loading Method: spring
Bolt Hole Quantity: 16 1st end
Bolt Hole Quantity: 12 2nd end
Maximum Operating Temp: 450.0 fahrenheit single response
Valve Operation Method: automatic
Flange Shape: round with holes 1st end
Flange Shape: round with holes 2nd end
Connection Type: flange 1st end
Connection Type: flange 2nd end
Valve Size: 10.000 inches
Adjustable Pressure Range: +475.0 to 525.0 pounds per square inch
Maximum Operating Pressure: 600.0 pounds per square inch single response
Nominal Outside Diameter: 14.000 inches 2nd end
Nominal Outside Diameter: 20.000 inches 1st end
Nominal Thickness: 1.875 inches 2nd end
Nominal Thickness: 2.500 inches 1st end
First Connection Face To Centerline Distance: 10.500 inches
Bolt Hole Nominal Diameter: 1.250 inches 1st end
Bolt Hole Nominal Diameter: 1.000 inches 2nd end
Second Connection Face To Centerline Distance: 9.438 inches
Bolt Circle Nominal Diameter: 11.500 inches 2nd end
Bolt Circle Nominal Diameter: 17.000 inches 1st end
Flange Face Design: plain 2nd end
Flange Face Design: raised straight 1st end
Raised Face Nominal Height: 0.250 inches 1st end
Raised Face Nominal Diameter: 12.750 inches 1st end
Material: steel body
Material: steel comp 416 stem
Material: steel flow control device
Material Document And Classification: aisi 416 assn std single material response stem
Material Document And Classification: ams 5643 assn std single material response flow control device
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
20158 475T525PSI	Safety Relief Valve
5055RA140009 475T525PSI	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-141-8847?

The FSCG of the NSN 4820-01-141-8847 is 4820

Does the NSN 4820-01-141-8847 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-141-8847 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 4820-01-141-8847 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-141-8847 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 4820-01-141-8847 was assigned to the Federal Catalog?

It was assigned 43 years ago, on Sun, Nov 7, 1982