NSN 4820-00-467-4728 Repair Services

Safety Relief Valve Overhaul, Repair, and Maintenance

MPN: 380019, 2601 1-2 50LB, 658 1-2 50LB

Pricing and Lead Time Quote

Submit this form and receive an overhaul/repair pricing and lead time quote for NSN 4820-00-467-4728 safety relief valve
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NSN 4820004674728


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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 4820-00-467-4728 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 4820-00-467-4728 can be offered in repaired, serviceable, overhauled, or inspected conditions.
National Stock Number (NSN) 4820-00-467-4728
Categorization Safety or relief valves
Repairability Code

Approximate Weight 0.0lb
Pipe Size Accommodated 0.500 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
Valve Discharge Flow Rate 138.0 pounds per hour
Maximum Operating Temp 406.0 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 Valve stem lock shield and pressure tight outlet side
Thready Qty Per Inch (tpi) 14 2nd end
Maximum Operating Pressure 250.0 pounds per square inch single response
Thread Size 0.500 inches 2nd end
Opening Pressure Setting 50.0 pounds per square inch
Material Steel stem
Material Specification Qq-c-390, alloy b6 federal specification single material response body
Media For Which Designed Steam single response
Style Designator Angle
Thread Series Designator Npt 1st end

Part Numbers

Part Number Company RNAAC (Repair Depot)
380019 D & J PARTS INC AX - DLA LAND AND MARITIME
380019 L & L BOILER MAINTENANCE INC ZZ - USA
2601 1-2 50LB CRANE CO XX -
658 1-2 50LB LUNKENHEIMER CO XX -