NMP10980PTI0NL1

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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-265-2583

Item Name Code

05488

Assigment Date

10/11/1987 (38 years ago)

A panel mounted dual function control, three way valve which incorporates a check valve to protect the emergency supply reservoir and to control the supply and exhaust ports.

inside spring bonnet type, union bonnet attachment method, spring disk loading method, disk flow control device, 6 all ends 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
Bonnet Type: inside spring
Bonnet Attachment Method: union
Disk Loading Method: spring
Bolt Hole Quantity: 6 all ends
Maximum Operating Temp: 150.0 fahrenheit single response
Valve Operation Method: automatic
Flange Shape: round with holes all ends
Connection Type: flange all ends
Valve Size: 2.500 inches
Adjustable Pressure Range: +160.0 to 178.0 pounds per square inch
Nominal Outside Diameter: 6.125 inches all ends
Nominal Thickness: 0.500 inches all ends
First Connection Face To Centerline Distance: 4.312 inches
Bolt Hole Nominal Diameter: 0.562 inches all ends
Second Connection Face To Centerline Distance: 5.125 inches
Bolt Circle Nominal Diameter: 5.000 inches all ends
Flange Face Design: plain all ends
Material: copper alloy body
Material: nickel alloy flow control device
Material: nickel alloy seat
Material: nickel alloy stem
Media For Which Designed: liquid single response
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
46H0204/M5 2X2.5 50T56PSI NFL	Safety Relief Valve
NMP10980PTI0NL1	Safety Relief Valve
NMP1098OPTIONL160T178PSI	Safety Relief Valve

FAQs

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

What is the FSCG of the NSN 4820-01-265-2583?

The FSCG of the NSN 4820-01-265-2583 is 4820

Does the NSN 4820-01-265-2583 have a Schedule B code assigned?

Yes, the Schedule B code is 8481400000

Does NSN 4820-01-265-2583 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 4820-01-265-2583 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-265-2583 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 4820-01-265-2583 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Sun, Oct 11, 1987