NSN 4820-00-289-3781 Repair Services

Safety Relief Valve Overhaul, Repair, and Maintenance

MPN: NMP-603-51T70PSI, L-2110-C .50IPS 51T70PSI, NMP0603H11S0051, NMP-603 OPT A, B43A, NMP-603 OPT.A B

Pricing and Lead Time Quote

Submit this form and receive an overhaul/repair pricing and lead time quote for NSN 4820-00-289-3781 safety relief valve
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NSN 4820002893781


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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 4820-00-289-3781 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 4820-00-289-3781 can be offered in repaired, serviceable, overhauled, or inspected conditions.
National Stock Number (NSN) 4820-00-289-3781
Categorization Safety or relief valves
Repairability Code D

When repair is beyond lower level maintenance capability, evacuate the item to depot. disposal is not authorized below wholesale level.

Approximate Weight 18.8lb
Pipe Size Accommodated 0.500 inches 1st end
Disk Loading Method Spring
Renewable Seat Ring Type Threaded
Maximum Operating Temp 425.0 degrees fahrenheit single response
Connection Style Swivel nut, gasket sea (tube) all ends
Valve Operation Method Automatic
Connection Type Unthreaded internal pipe 1st end
Adjustable Pressure Range +51.0/+70.0 pounds per square inch
Maximum Operating Pressure 100.0 pounds per square inch single response
Special Features W/lifting lever
Material Nickel alloy stem
Media For Which Designed Water, salt single response
Style Designator Angle

Part Numbers

Part Number Company RNAAC (Repair Depot)
NMP-603-51T70PSI KUNKLE INDUSTRIES INC HD - NAVAL INVENTORY CONTROL POINT
L-2110-C .50IPS 51T70PSI KUNKLE INDUSTRIES INC HD - NAVAL INVENTORY CONTROL POINT
NMP0603H11S0051 PENTAIR VALVES & CONTROLS US LP ZZ - USA
NMP-603 OPT A, B43A PENTAIR VALVES & CONTROLS US LP ZZ - USA
NMP-603 OPT.A B ANDERSON GREENWOOD LP ZZ - USA