NSN 4820-00-063-8720 Repair Services

Safety Relief Valve Overhaul, Repair, and Maintenance

MPN: 3200583-1

Pricing and Lead Time Quote

Submit this form and receive an overhaul/repair pricing and lead time quote for NSN 4820-00-063-8720 safety relief valve
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NSN 4820000638720


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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 4820-00-063-8720 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 4820-00-063-8720 can be offered in repaired, serviceable, overhauled, or inspected conditions.
National Stock Number (NSN) 4820-00-063-8720
Categorization Safety or relief valves
Repairability Code

Approximate Weight 2.4lb
Pipe Size Accommodated 0.750 inches 1st end
Thread Direction Right-hand 1st end
Flow Control Device Poppet
Disk Loading Method Spring
Connection Style Plain, optional en (pipe) 1st end
Valve Operation Method Automatic or manual
Connection Type Threaded internal pipe 1st end
Thready Qty Per Inch (tpi) 14 2nd end
Adjustable Pressure Range +1.0 to 250.0 pounds per square inch
Thread Size 0.750 inches 1st end
Material Copper alloy body
Style Designator Angle
Thread Series Designator Npt 1st end
Reference Number Differentiating Characteristics Cleaned for use w/liquid nitrogen and oxygen

Part Numbers

Part Number Company RNAAC (Repair Depot)
3200583-1 COSMODYNE, LLC HD - NAVAL INVENTORY CONTROL POINT