NSN 4820-00-562-8362 Repair Services

Safety Relief Valve Overhaul, Repair, and Maintenance

MPN: 4381026-507, A409-507

Pricing and Lead Time Quote

Submit this form and receive an overhaul/repair pricing and lead time quote for NSN 4820-00-562-8362 safety relief valve
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NSN 4820005628362


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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 4820-00-562-8362 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 4820-00-562-8362 can be offered in repaired, serviceable, overhauled, or inspected conditions.
National Stock Number (NSN) 4820-00-562-8362
Categorization Safety or relief valves
Repairability Code

Approximate Weight 0.0lb
Thread Direction Right-hand 1st end
Disk Loading Method Spring
Valve Discharge Flow Rate 4.0 gallons per minute
Maximum Operating Temp 160.0 degrees fahrenheit single response
Connection Style Plain, optional en (pipe) 1st end
Valve Operation Method Automatic
Connection Type Threaded internal tube 1st end
Features Provided Pressure tight outlet side
Thready Qty Per Inch (tpi) 20 1st end
Maximum Operating Pressure 4000.0 pounds per square inch single response
Thread Size 0.437 inches 1st end
Opening Pressure Setting 2090.0 pounds per square inch
Outside Diameter Tube Accommodated 0.250 inches 1st end
Material Stainless steel stem
Media For Which Designed Hydraulic fluid, phosphate-ester base single response
Style Designator Straight thru
Thread Series Designator Unf 1st end

Part Numbers

Part Number Company RNAAC (Repair Depot)
4381026-507 BOEING COMPANY, THE 48 - FEDERAL AVIATION ADMINISTRATION
4381026-507 BOEING COMPANY, THE 48 - FEDERAL AVIATION ADMINISTRATION
A409-507 HYDRO-AIRE, INC. XX -