NSN 4820-00-289-3780 Repair Services

Safety Relief Valve Overhaul, Repair, and Maintenance

MPN: S4824-3157487, NMP404

Pricing and Lead Time Quote

Submit this form and receive an overhaul/repair pricing and lead time quote for NSN 4820-00-289-3780 safety relief valve
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NSN 4820002893780


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AS9120B:2015 ISO 9001 Audited and Certified

FAA and EASA Part 145 Certified Repair Stations Ensuring the highest standards of quality and compliance for our clients' needs.

We specialize in the repair and refurbishment of nsn components. From mechanical assemblies to rotor blades, our comprehensive capabilities cover a wide range of NSN parts, providing cost effective solutions to extend the operational life of vital equipment.

NSN 4820-00-289-3780 has been designated as a repairable item and has been included in our capabilities catalog. If you require overhaul or repair services use the form on this page to send us your information. We will provide you with a lead time and price quote.

Repairability and Datasheet

NSN 4820-00-289-3780 can be offered in repaired, serviceable, overhauled, or inspected conditions.
National Stock Number (NSN) 4820-00-289-3780
Categorization Safety or relief valves
Repairability Code

Approximate Weight 0.0lb
Flow Control Device Disk
Disk Loading Method Spring
Bolt Hole Quantity 4 all ends
Maximum Operating Temp 650.0 degrees 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
Valve Size 1.000 inches
Adjustable Pressure Range +18.0/+32.0 pounds per square inch
Maximum Operating Pressure 200.0 pounds per square inch 2nd response
Outside Diameter 4.250 inches all ends
Thickness 0.438 inches all ends
First Connection Face To Centerline Distance 4.625 inches
Bolt Hole Diameter 0.562 inches all ends
Second Connection Face To Centerline Distance 3.500 inches
Bolt Circle Diameter 3.125 inches all ends
Flange Face Design Plain all ends
Special Features W/lifting lever
Material Stainless steel stem
Media For Which Designed Fuel/oil, hydrocarbon 1st response
Style Designator Angle flanged ends

Part Numbers

Part Number Company RNAAC (Repair Depot)
S4824-3157487 NAVAL SHIP SYSTEMS COMMAND HD - NAVAL INVENTORY CONTROL POINT
NMP404 KUNKLE INDUSTRIES INC HD - NAVAL INVENTORY CONTROL POINT
NMP404 PENTAIR VALVES & CONTROLS US LP ZZ - USA
NMP404 ANDERSON GREENWOOD LP ZZ - USA