Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number QJ 3 P10B1 HS 24 50 found under Valve Linear Directional Control by Fostoria Industries Inc. The National Stock Number assigned to this part is 4810012799123, and the Federal Supply Class is 4810 Valves Powered. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like QJ 3 P10B1 HS 24 50.