NSN 4820-00-622-5790 Repair Services

Safety Relief Valve Overhaul, Repair, and Maintenance

MPN: 40-3092357B, 285268AS, B132195, 40-3092358, 667889, 40-3092357, 40-3092356B, 4820006225790, 40-3092356

Pricing and Lead Time Quote

Submit this form and receive an overhaul/repair pricing and lead time quote for NSN 4820-00-622-5790 safety relief valve
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NSN 4820006225790


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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 4820-00-622-5790 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 4820-00-622-5790 can be offered in repaired, serviceable, overhauled, or inspected conditions.
National Stock Number (NSN) 4820-00-622-5790
Categorization Safety or relief valves
Repairability Code Z

This is a nonreparable item. if condemned or economically unserviceable, then dispose at the level authorized replace the item.

Approximate Weight 0.1lb
Thread Class 2a 1st end
Thread Direction Right-hand 1st end
Flow Control Device Piston
Disk Loading Method Spring
Connection Style External seat for gasket seal (boss) 1st end
Valve Operation Method Automatic
Connection Type Threaded external boss 1st end
Thread Size 0.750 inches 1st end
Opening Pressure Setting 65.0 pounds per square inch
Material Steel seat
Style Designator Angle
Thread Series Designator Unf 1st end

Part Numbers

Part Number Company RNAAC (Repair Depot)
40-3092357B HERCULES ENGINE CO INC 48 - FEDERAL AVIATION ADMINISTRATION
285268AS HERCULES ENGINE CO INC AX - DLA LAND AND MARITIME
B132195 SCHWITZER ENGINE COMPONENTS AX - DLA LAND AND MARITIME
40-3092358 BRINKLEY TECHNOLOGY GROUP, LLC AX - DLA LAND AND MARITIME
667889 WIGGINS LIFT CO., INC. AX - DLA LAND AND MARITIME
40-3092357 HERCULES ENGINE CO INC AX - DLA LAND AND MARITIME
40-3092358 HERCULES ENGINE CO INC AX - DLA LAND AND MARITIME
40-3092356B HERCULES ENGINE CO INC AX - DLA LAND AND MARITIME
4820006225790 E.C.A ETABLISSEMENT YP - MOROCCO
40-3092356 HERCULES ENGINE CO INC ZZ - USA