NSN 4820-00-289-3784 Repair Services

Safety Relief Valve Overhaul, Repair, and Maintenance

MPN: NMP402, S4824-3157488

Pricing and Lead Time Quote

Submit this form and receive an overhaul/repair pricing and lead time quote for NSN 4820-00-289-3784 safety relief valve
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NSN 4820002893784


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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 4820-00-289-3784 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 4820-00-289-3784 can be offered in repaired, serviceable, overhauled, or inspected conditions.
National Stock Number (NSN) 4820-00-289-3784
Categorization Safety or relief valves
Repairability Code

Approximate Weight 0.0lb
Flow Control Device Disk
Disk Loading Method Spring
Bolt Hole Quantity 3 all ends
Valve Operation Method Automatic
Flange Shape Round with holes all ends
Connection Type Flange all ends
Valve Size 0.500 inches
Adjustable Pressure Range +18.0/+32.0 pounds per square inch
Maximum Operating Pressure 200.0 pounds per square inch single response
Outside Diameter 3.562 inches all ends
Thickness 0.375 inches all ends
First Connection Face To Centerline Distance 3.250 inches
Bolt Hole Diameter 0.562 inches all ends
Second Connection Face To Centerline Distance 3.000 inches
Bolt Circle Diameter 2.438 inches all ends
Flange Face Design Plain all ends
Special Features W/lifting lever
Material Stainless steel stem
Style Designator Angle flanged ends
Reference Number Differentiating Characteristics As differentiated by first end connection type

Part Numbers

Part Number Company RNAAC (Repair Depot)
NMP402 KUNKLE INDUSTRIES INC AX - DLA LAND AND MARITIME
S4824-3157488 NAVAL SHIP SYSTEMS COMMAND AX - DLA LAND AND MARITIME