PC578S42-263-781

View detailed technical data, stock status, and sourcing information for: PC578S42-263-781
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-289-4384

Item Name Code

05488

Assigment Date

01/01/1963 (63 years ago)

flange 1st end connection type, spring disk loading method, +0.0 to 30.0 pounds per square inch adjustable pressure range, round with holes 1st end flange shape, 4 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.

Disk Loading Method: spring
Bolt Hole Quantity: 4 1st end
Flange Shape: round with holes 1st end
Connection Type: flange 1st end
Adjustable Pressure Range: +0.0 to 30.0 pounds per square inch
Maximum Operating Pressure: 150.0 pounds per square inch single response
Nominal Outside Diameter: 5.562 inches 1st end
Bolt Hole Nominal Diameter: 0.562 inches 1st end
Bolt Circle Nominal Diameter: 4.438 inches 1st end
Flange Face Design: plain 1st end
Special Features: diaphragm operated
Material: copper alloy body
Material: copper alloy seat
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:

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D2-8844-781	Safety Relief Valve
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PC461S42-068PC1T021	Safety Relief Valve
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PC461S42-31PC781	Safety Relief Valve
PC578S42-146PC781	Safety Relief Valve
PC578S42-251PC781	Safety Relief Valve
PC578S42-263-781	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-289-4384?

The FSCG of the NSN 4820-00-289-4384 is 4820

Does the NSN 4820-00-289-4384 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-289-4384 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 4820-00-289-4384 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-289-4384 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 4820-00-289-4384 was assigned to the Federal Catalog?

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