AGC1S5103-1383539

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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-287-4042

Item Name Code

05488

Assigment Date

01/01/1963 (63 years ago)

8 2nd end bolt hole quantity, 4 1st end bolt hole quantity, disk flow control device, spring disk loading method, 31509.0 pounds per hour valve discharge flow rate

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
Valve Discharge Flow Rate: 31509.0 pounds per hour
Bolt Hole Quantity: 4 1st end
Bolt Hole Quantity: 8 2nd end
Maximum Operating Temp: 900.0 fahrenheit single response
Valve Operation Method: manual
Flange Shape: round with holes 1st end
Flange Shape: round with holes 2nd end
Connection Type: flange 1st end
Connection Type: flange 2nd end
Features Provided: valve stem lock shield
Maximum Operating Pressure: 600.0 pounds per square inch single response
Opening Pressure Setting: 514.0 pounds per square inch
Nominal Outside Diameter: 6.500 inches 2nd end
Nominal Outside Diameter: 7.500 inches 1st end
Nominal Thickness: 0.687 inches 1st end
Nominal Thickness: 1.000 inches 2nd end
Bolt Hole Nominal Diameter: 0.750 inches 2nd end
Bolt Hole Nominal Diameter: 0.750 inches 1st end
Bolt Circle Nominal Diameter: 5.000 inches 2nd end
Bolt Circle Nominal Diameter: 6.000 inches 1st end
Flange Face Design: raised straight 1st end
Flange Face Design: raised straight 2nd end
Raised Face Nominal Height: 0.062 inches 1st end
Raised Face Nominal Height: 0.250 inches 2nd end
Special Features: w/lifting lever
Material: steel body
Material: steel corrosion resisting stem
Material: steel seat
Media For Which Designed: steam 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
AGC1S5103-1383539	Safety Relief Valve
G15501-17	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-287-4042?

The FSCG of the NSN 4820-00-287-4042 is 4820

Does the NSN 4820-00-287-4042 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-287-4042 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 4820-00-287-4042 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-287-4042 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 4820-00-287-4042 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963