NSN 4820-00-044-3891 Repair Services

Safety Relief Valve Overhaul, Repair, and Maintenance

MPN: 30-1-2

Pricing and Lead Time Quote

Submit this form and receive an overhaul/repair pricing and lead time quote for NSN 4820-00-044-3891 safety relief valve
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NSN 4820000443891


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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 4820-00-044-3891 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 4820-00-044-3891 can be offered in repaired, serviceable, overhauled, or inspected conditions.
National Stock Number (NSN) 4820-00-044-3891
Categorization Safety or relief valves
Repairability Code

Approximate Weight 0.0lb
Pipe Size Accommodated 0.500 inches 1st end
Thread Direction Right-hand 1st end
Flow Control Device Stem or disk
Bonnet Type Inside spring
Bonnet Attachment Method Pressure seal, ring type
Disk Loading Method Spring
Valve Discharge Flow Rate 64.0 cubic feet per minute
Connection Style Plain (pipe) 1st end
Valve Operation Method Manual
Connection Type Threaded external pipe 1st end
Thready Qty Per Inch (tpi) 14 1st end
Adjustable Pressure Range +500.0 to 4000.0 pounds per square inch
Thread Size 0.500 inches all ends
Opening Pressure Setting 500.0 pounds per square inch
Material Stainless steel seat
Media For Which Designed Gas, natural 2nd response
Style Designator Angle
Thread Series Designator Npt 1st end

Part Numbers

Part Number Company RNAAC (Repair Depot)
30-1-2 ANDERSON GREENWOOD LP ZZ - USA