NSN 4820-00-342-4799 Repair Services

Safety Relief Valve Overhaul, Repair, and Maintenance

MPN: 16649, 7620119, 14023, 16649-18

Pricing and Lead Time Quote

Submit this form and receive an overhaul/repair pricing and lead time quote for NSN 4820-00-342-4799 safety relief valve
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NSN 4820003424799


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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 4820-00-342-4799 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 4820-00-342-4799 can be offered in repaired, serviceable, overhauled, or inspected conditions.
National Stock Number (NSN) 4820-00-342-4799
Categorization Safety or relief valves
Repairability Code

Approximate Weight 0.1lb
Thread Direction Right-hand 1st end
Flow Control Device Disk
Disk Loading Method Spring
Valve Discharge Flow Rate 0.9 cubic feet per minute
Maximum Operating Temp 450.0 degrees fahrenheit 2nd response
Connection Style Plain (pipe) 1st end
Valve Operation Method Automatic
Connection Type Threaded external pipe 1st end
Maximum Operating Pressure 30.0 pounds per square inch 1st response
Thread Size 0.125 inches 1st end
Opening Pressure Setting 26.0 pounds per square inch
Material Stainless steel flow control device and silicon flow control device
Media For Which Designed Oxygen, gaseous 2nd response
Surface Treatment Anodize
Style Designator Straight thru
Thread Series Designator Npt 1st end

Part Numbers

Part Number Company RNAAC (Repair Depot)
16649 MEGGITT (NORTH HOLLYWOOD), INC. AX - DLA LAND AND MARITIME
7620119 U S ARMY AVIATION AND MISSILE AX - DLA LAND AND MARITIME
16649 HOWDEN FLUID SYSTEMS AX - DLA LAND AND MARITIME
14023 MEGGITT (NORTH HOLLYWOOD), INC. ZZ - USA
16649-18 MEGGITT (NORTH HOLLYWOOD), INC. ZZ - USA
14023 HOWDEN FLUID SYSTEMS ZZ - USA
16649-18 HOWDEN FLUID SYSTEMS ZZ - USA