5S1287M0DSPRLDG6INF

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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-00-203-8051

Item Name Code

05488

Assigment Date

01/01/1963 (63 years ago)

12 all ends bolt hole quantity, spring disk loading method, automatic valve operation method, poppet flow control device, 425.0 fahrenheit single response maximum operating temp

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: 12 all ends
Maximum Operating Temp: 425.0 fahrenheit single response
Valve Operation Method: automatic
Flange Shape: round with holes all ends
Connection Type: flange all ends
Features Provided: pressure tight outlet side
Maximum Operating Pressure: 100.0 pounds per square inch single response
Opening Pressure Setting: 2.0 pounds per square inch
Nominal Outside Diameter: 10.125 inches all ends
Nominal Thickness: 0.250 inches all ends
Bolt Hole Nominal Diameter: 0.687 inches all ends
Bolt Circle Nominal Diameter: 8.875 inches all ends
Flange Face Design: plain all ends
Material: copper alloy overall
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
5S1287M0DSPRLDG6INF	Safety Relief Valve
P775	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-00-203-8051?

The FSCG of the NSN 4820-00-203-8051 is 4820

Does the NSN 4820-00-203-8051 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-00-203-8051 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 4820-00-203-8051 contain precious materials?

Precious metal content is unknown

Does NSN 4820-00-203-8051 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 4820-00-203-8051 was assigned to the Federal Catalog?

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