M36558-2-600

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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-273-9432

Item Name Code

05488

Assigment Date

01/01/1963 (63 years ago)

4 2nd end bolt hole quantity, spring disk loading method, poppet flow control device, 8 1st end bolt hole quantity, automatic valve operation 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: poppet
Disk Loading Method: spring
Bolt Hole Quantity: 4 2nd end
Bolt Hole Quantity: 8 1st end
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
Features Provided: pressure tight outlet side
Adjustable Pressure Range: +28.0 to 45.0 pounds per square inch
Nominal Outside Diameter: 3.562 inches 1st end
Nominal Outside Diameter: 3.812 inches 2nd end
Bolt Hole Nominal Diameter: 0.562 inches 1st end
Bolt Hole Nominal Diameter: 0.562 inches 2nd end
Bolt Circle Nominal Diameter: 2.437 inches 1st end
Bolt Circle Nominal Diameter: 2.687 inches 2nd end
Flange Face Design: raised straight 1st end
Flange Face Design: raised straight 2nd end
Style Designator: angle

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
4820-00-289-2112	No Name Available	01/01/1963

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
54101S58-88PC600	Safety Relief Valve
BB61S48-0373	Safety Relief Valve
BB61S48-0373ALT0	Safety Relief Valve
M36558-2-600	Safety Relief Valve
R6215XXITEM46	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-273-9432?

The FSCG of the NSN 4820-00-273-9432 is 4820

Does the NSN 4820-00-273-9432 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-273-9432 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 4820-00-273-9432 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-00-273-9432 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 4820-00-273-9432 was assigned to the Federal Catalog?

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