NSN 4820-00-203-0068 Repair Services

Safety Relief Valve Overhaul, Repair, and Maintenance

MPN: 381-45-8PCV25, 381-4501-12235PCV6, 385-4500-1194345PCV5, 385-4500-1194347PCV16, 385-4500-1225027PCV20, 405-4500-68751PCV11, 405-4500-68751PCV5, 405-4503-69182PCVF0, 410-4500-1225028PCV20, 416-4501-162028PCV25, 416-4501-162029PCV20, 417-4500-68750PCV11, 417-4500-68750PCV12, 418-4500-1194342PCV10, 418-4500-1194342PCV6, 228-45-057PCV11, 228-45-083PCV7, 228-45-091PCV2, 228-45-091PCV3, 228-45-091PCV6, 419-4501-724462PCV11, 419-4501-724462PCV12, 419-4501-724462PCV6, 477-4501-722051PCV11, 484-4501-722037PCV11, 484-4501-722037PCV12, 484-4501-722037PCV6, 488-4501-720376PCV6, 489-4501-722026PCV11, 488-4501-720376PCV11, 488-4501-720376PCV12, 5053-419PCV12, 5053-419PCV6, 5053-484PCV11, 5053-484PCV12, 5053-484PCV6, 5053-488PCV11, 5053-488PCV12, 5053-488PCV6, 5061-381PCV25, 5069-405PCV20, 5074-477PCV11, 5074-489PCV11, 5053-225PCV11, 5053-228PCV11, 5053-275PCV7, 5053-292PCV2, 5053-292PCV3, 5053-292PCV6, 5053-381PCV6, 5053-405PCV11, 5053-405PCV5, 5053-417PCV11, 5053-417PCV12, 5053-417PCV6, 5053-419PCV11

Pricing and Lead Time Quote

Submit this form and receive an overhaul/repair pricing and lead time quote for NSN 4820-00-203-0068 safety relief valve
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NSN 4820002030068


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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 4820-00-203-0068 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 4820-00-203-0068 can be offered in repaired, serviceable, overhauled, or inspected conditions.
National Stock Number (NSN) 4820-00-203-0068
Categorization Safety or relief valves
Repairability Code

Approximate Weight 0.0lb
Pipe Size Accommodated 1.000 inches 2nd end
Thread Direction Right-hand 1st end
Flow Control Device Disk
Bonnet Type Inside spring
Bonnet Attachment Method Threaded
Disk Loading Method Spring
Maximum Operating Temp 366.0 degrees fahrenheit single response
Connection Style Plain, optional en (pipe) 1st end
Valve Operation Method Automatic
Connection Type Threaded internal pipe 1st end
Features Provided Bonnet packing and pressure tight outlet side
Adjustable Pressure Range +5.0/+25.0 pounds per square inch
Maximum Operating Pressure 150.0 pounds per square inch single response
Thread Size 1.000 inches 2nd end
Material Steel stem
Media For Which Designed Steam single response
Style Designator Angle
Thread Series Designator Npt 1st end

Part Numbers

Part Number Company RNAAC (Repair Depot)
381-45-8PCV25 NAVAL SHIP SYSTEMS COMMAND XX -
381-4501-12235PCV6 NAVAL SHIP SYSTEMS COMMAND XX -
385-4500-1194345PCV5 NAVAL SHIP SYSTEMS COMMAND XX -
385-4500-1194347PCV16 NAVAL SHIP SYSTEMS COMMAND XX -
385-4500-1225027PCV20 NAVAL SHIP SYSTEMS COMMAND XX -
405-4500-68751PCV11 NAVAL SHIP SYSTEMS COMMAND XX -
405-4500-68751PCV5 NAVAL SHIP SYSTEMS COMMAND XX -
405-4503-69182PCVF0 NAVAL SHIP SYSTEMS COMMAND XX -
410-4500-1225028PCV20 NAVAL SHIP SYSTEMS COMMAND XX -
416-4501-162028PCV25 NAVAL SHIP SYSTEMS COMMAND XX -
416-4501-162029PCV20 NAVAL SHIP SYSTEMS COMMAND XX -
417-4500-68750PCV11 NAVAL SHIP SYSTEMS COMMAND XX -
417-4500-68750PCV12 NAVAL SHIP SYSTEMS COMMAND XX -
418-4500-1194342PCV10 NAVAL SHIP SYSTEMS COMMAND XX -
418-4500-1194342PCV6 NAVAL SHIP SYSTEMS COMMAND XX -
228-45-057PCV11 NAVAL SHIP SYSTEMS COMMAND XX -
228-45-083PCV7 NAVAL SHIP SYSTEMS COMMAND XX -
228-45-091PCV2 NAVAL SHIP SYSTEMS COMMAND XX -
228-45-091PCV3 NAVAL SHIP SYSTEMS COMMAND XX -
228-45-091PCV6 NAVAL SHIP SYSTEMS COMMAND XX -
419-4501-724462PCV11 NAVAL SHIP SYSTEMS COMMAND XX -
419-4501-724462PCV12 NAVAL SHIP SYSTEMS COMMAND XX -
419-4501-724462PCV6 NAVAL SHIP SYSTEMS COMMAND XX -
477-4501-722051PCV11 NAVAL SHIP SYSTEMS COMMAND XX -
484-4501-722037PCV11 NAVAL SHIP SYSTEMS COMMAND XX -
484-4501-722037PCV12 NAVAL SHIP SYSTEMS COMMAND XX -
484-4501-722037PCV6 NAVAL SHIP SYSTEMS COMMAND XX -
488-4501-720376PCV6 NAVAL SHIP SYSTEMS COMMAND XX -
489-4501-722026PCV11 NAVAL SHIP SYSTEMS COMMAND XX -
488-4501-720376PCV11 NAVAL SHIP SYSTEMS COMMAND XX -
488-4501-720376PCV12 NAVAL SHIP SYSTEMS COMMAND XX -
5053-419PCV12 PORTSMOUTH NAVAL SHIPYARD XX -
5053-419PCV6 PORTSMOUTH NAVAL SHIPYARD XX -
5053-484PCV11 PORTSMOUTH NAVAL SHIPYARD XX -
5053-484PCV12 PORTSMOUTH NAVAL SHIPYARD XX -
5053-484PCV6 PORTSMOUTH NAVAL SHIPYARD XX -
5053-488PCV11 PORTSMOUTH NAVAL SHIPYARD XX -
5053-488PCV12 PORTSMOUTH NAVAL SHIPYARD XX -
5053-488PCV6 PORTSMOUTH NAVAL SHIPYARD XX -
5061-381PCV25 PORTSMOUTH NAVAL SHIPYARD XX -
5069-405PCV20 PORTSMOUTH NAVAL SHIPYARD XX -
5074-477PCV11 PORTSMOUTH NAVAL SHIPYARD XX -
5074-489PCV11 PORTSMOUTH NAVAL SHIPYARD XX -
5053-225PCV11 PORTSMOUTH NAVAL SHIPYARD XX -
5053-228PCV11 PORTSMOUTH NAVAL SHIPYARD XX -
5053-275PCV7 PORTSMOUTH NAVAL SHIPYARD XX -
5053-292PCV2 PORTSMOUTH NAVAL SHIPYARD XX -
5053-292PCV3 PORTSMOUTH NAVAL SHIPYARD XX -
5053-292PCV6 PORTSMOUTH NAVAL SHIPYARD XX -
5053-381PCV6 PORTSMOUTH NAVAL SHIPYARD XX -
5053-405PCV11 PORTSMOUTH NAVAL SHIPYARD XX -
5053-405PCV5 PORTSMOUTH NAVAL SHIPYARD XX -
5053-417PCV11 PORTSMOUTH NAVAL SHIPYARD XX -
5053-417PCV12 PORTSMOUTH NAVAL SHIPYARD XX -
5053-417PCV6 PORTSMOUTH NAVAL SHIPYARD XX -
5053-419PCV11 PORTSMOUTH NAVAL SHIPYARD XX -
381-45-8PCV25 NAVAL SHIP SYSTEMS COMMAND XX -
381-4501-12235PCV6 NAVAL SHIP SYSTEMS COMMAND XX -
385-4500-1194345PCV5 NAVAL SHIP SYSTEMS COMMAND XX -
385-4500-1194347PCV16 NAVAL SHIP SYSTEMS COMMAND XX -
385-4500-1225027PCV20 NAVAL SHIP SYSTEMS COMMAND XX -
405-4500-68751PCV11 NAVAL SHIP SYSTEMS COMMAND XX -
405-4500-68751PCV5 NAVAL SHIP SYSTEMS COMMAND XX -
405-4503-69182PCVF0 NAVAL SHIP SYSTEMS COMMAND XX -
410-4500-1225028PCV20 NAVAL SHIP SYSTEMS COMMAND XX -
416-4501-162028PCV25 NAVAL SHIP SYSTEMS COMMAND XX -
416-4501-162029PCV20 NAVAL SHIP SYSTEMS COMMAND XX -
417-4500-68750PCV11 NAVAL SHIP SYSTEMS COMMAND XX -
417-4500-68750PCV12 NAVAL SHIP SYSTEMS COMMAND XX -
418-4500-1194342PCV10 NAVAL SHIP SYSTEMS COMMAND XX -
418-4500-1194342PCV6 NAVAL SHIP SYSTEMS COMMAND XX -
419-4501-724462PCV11 NAVAL SHIP SYSTEMS COMMAND XX -
419-4501-724462PCV12 NAVAL SHIP SYSTEMS COMMAND XX -
419-4501-724462PCV6 NAVAL SHIP SYSTEMS COMMAND XX -
477-4501-722051PCV11 NAVAL SHIP SYSTEMS COMMAND XX -
484-4501-722037PCV11 NAVAL SHIP SYSTEMS COMMAND XX -
484-4501-722037PCV12 NAVAL SHIP SYSTEMS COMMAND XX -
484-4501-722037PCV6 NAVAL SHIP SYSTEMS COMMAND XX -
489-4501-722026PCV11 NAVAL SHIP SYSTEMS COMMAND XX -
488-4501-720376PCV11 NAVAL SHIP SYSTEMS COMMAND XX -
488-4501-720376PCV12 NAVAL SHIP SYSTEMS COMMAND XX -
488-4501-720376PCV6 NAVAL SHIP SYSTEMS COMMAND XX -
228-45-057PCV11 NAVAL SHIP SYSTEMS COMMAND XX -
228-45-083PCV7 NAVAL SHIP SYSTEMS COMMAND XX -
228-45-091PCV2 NAVAL SHIP SYSTEMS COMMAND XX -
228-45-091PCV3 NAVAL SHIP SYSTEMS COMMAND XX -
228-45-091PCV6 NAVAL SHIP SYSTEMS COMMAND XX -
5053-381PCV6 PORTSMOUTH NAVAL SHIPYARD XX -
5053-405PCV11 PORTSMOUTH NAVAL SHIPYARD XX -
5053-405PCV5 PORTSMOUTH NAVAL SHIPYARD XX -
5053-417PCV11 PORTSMOUTH NAVAL SHIPYARD XX -
5053-417PCV12 PORTSMOUTH NAVAL SHIPYARD XX -
5053-417PCV6 PORTSMOUTH NAVAL SHIPYARD XX -
5053-419PCV11 PORTSMOUTH NAVAL SHIPYARD XX -
5053-419PCV12 PORTSMOUTH NAVAL SHIPYARD XX -
5053-419PCV6 PORTSMOUTH NAVAL SHIPYARD XX -
5053-484PCV11 PORTSMOUTH NAVAL SHIPYARD XX -
5053-484PCV12 PORTSMOUTH NAVAL SHIPYARD XX -
5053-484PCV6 PORTSMOUTH NAVAL SHIPYARD XX -
5053-488PCV11 PORTSMOUTH NAVAL SHIPYARD XX -
5053-488PCV12 PORTSMOUTH NAVAL SHIPYARD XX -
5053-488PCV6 PORTSMOUTH NAVAL SHIPYARD XX -
5061-381PCV25 PORTSMOUTH NAVAL SHIPYARD XX -
5069-405PCV20 PORTSMOUTH NAVAL SHIPYARD XX -
5074-477PCV11 PORTSMOUTH NAVAL SHIPYARD XX -
5053-225PCV11 PORTSMOUTH NAVAL SHIPYARD XX -
5053-228PCV11 PORTSMOUTH NAVAL SHIPYARD XX -
5053-275PCV7 PORTSMOUTH NAVAL SHIPYARD XX -
5053-292PCV2 PORTSMOUTH NAVAL SHIPYARD XX -
5053-292PCV3 PORTSMOUTH NAVAL SHIPYARD XX -
5053-292PCV6 PORTSMOUTH NAVAL SHIPYARD XX -
5074-489PCV11 PORTSMOUTH NAVAL SHIPYARD XX -
381-45-8PCV25 NAVAL SHIP SYSTEMS COMMAND XX -
381-4501-12235PCV6 NAVAL SHIP SYSTEMS COMMAND XX -
385-4500-1194345PCV5 NAVAL SHIP SYSTEMS COMMAND XX -
385-4500-1194347PCV16 NAVAL SHIP SYSTEMS COMMAND XX -
385-4500-1225027PCV20 NAVAL SHIP SYSTEMS COMMAND XX -
228-45-057PCV11 NAVAL SHIP SYSTEMS COMMAND XX -
228-45-083PCV7 NAVAL SHIP SYSTEMS COMMAND XX -
228-45-091PCV2 NAVAL SHIP SYSTEMS COMMAND XX -
228-45-091PCV3 NAVAL SHIP SYSTEMS COMMAND XX -
228-45-091PCV6 NAVAL SHIP SYSTEMS COMMAND XX -
405-4500-68751PCV11 NAVAL SHIP SYSTEMS COMMAND XX -
405-4500-68751PCV5 NAVAL SHIP SYSTEMS COMMAND XX -
405-4503-69182PCVF0 NAVAL SHIP SYSTEMS COMMAND XX -
410-4500-1225028PCV20 NAVAL SHIP SYSTEMS COMMAND XX -
416-4501-162028PCV25 NAVAL SHIP SYSTEMS COMMAND XX -
416-4501-162029PCV20 NAVAL SHIP SYSTEMS COMMAND XX -
417-4500-68750PCV11 NAVAL SHIP SYSTEMS COMMAND XX -
417-4500-68750PCV12 NAVAL SHIP SYSTEMS COMMAND XX -
418-4500-1194342PCV10 NAVAL SHIP SYSTEMS COMMAND XX -
418-4500-1194342PCV6 NAVAL SHIP SYSTEMS COMMAND XX -
419-4501-724462PCV11 NAVAL SHIP SYSTEMS COMMAND XX -
419-4501-724462PCV12 NAVAL SHIP SYSTEMS COMMAND XX -
419-4501-724462PCV6 NAVAL SHIP SYSTEMS COMMAND XX -
477-4501-722051PCV11 NAVAL SHIP SYSTEMS COMMAND XX -
484-4501-722037PCV11 NAVAL SHIP SYSTEMS COMMAND XX -
484-4501-722037PCV12 NAVAL SHIP SYSTEMS COMMAND XX -
484-4501-722037PCV6 NAVAL SHIP SYSTEMS COMMAND XX -
489-4501-722026PCV11 NAVAL SHIP SYSTEMS COMMAND XX -
488-4501-720376PCV11 NAVAL SHIP SYSTEMS COMMAND XX -
488-4501-720376PCV12 NAVAL SHIP SYSTEMS COMMAND XX -
488-4501-720376PCV6 NAVAL SHIP SYSTEMS COMMAND XX -
5069-405PCV20 PORTSMOUTH NAVAL SHIPYARD XX -
5074-477PCV11 PORTSMOUTH NAVAL SHIPYARD XX -
5074-489PCV11 PORTSMOUTH NAVAL SHIPYARD XX -
5053-225PCV11 PORTSMOUTH NAVAL SHIPYARD XX -
5053-228PCV11 PORTSMOUTH NAVAL SHIPYARD XX -
5053-275PCV7 PORTSMOUTH NAVAL SHIPYARD XX -
5053-292PCV2 PORTSMOUTH NAVAL SHIPYARD XX -
5053-292PCV3 PORTSMOUTH NAVAL SHIPYARD XX -
5053-292PCV6 PORTSMOUTH NAVAL SHIPYARD XX -
5053-381PCV6 PORTSMOUTH NAVAL SHIPYARD XX -
5053-405PCV11 PORTSMOUTH NAVAL SHIPYARD XX -
5053-405PCV5 PORTSMOUTH NAVAL SHIPYARD XX -
5053-417PCV11 PORTSMOUTH NAVAL SHIPYARD XX -
5053-417PCV12 PORTSMOUTH NAVAL SHIPYARD XX -
5053-417PCV6 PORTSMOUTH NAVAL SHIPYARD XX -
5053-419PCV11 PORTSMOUTH NAVAL SHIPYARD XX -
5053-419PCV12 PORTSMOUTH NAVAL SHIPYARD XX -
5053-419PCV6 PORTSMOUTH NAVAL SHIPYARD XX -
5053-484PCV11 PORTSMOUTH NAVAL SHIPYARD XX -
5053-484PCV12 PORTSMOUTH NAVAL SHIPYARD XX -
5053-484PCV6 PORTSMOUTH NAVAL SHIPYARD XX -
5053-488PCV11 PORTSMOUTH NAVAL SHIPYARD XX -
5053-488PCV12 PORTSMOUTH NAVAL SHIPYARD XX -
5053-488PCV6 PORTSMOUTH NAVAL SHIPYARD XX -
5061-381PCV25 PORTSMOUTH NAVAL SHIPYARD XX -