Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 508-331-001 found under Solenoid Electrical by Parker Hannifin Ltd. The National Stock Number assigned to this part is 5945010241334, and the Federal Supply Class is 5945 Relays And Solenoids. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 508-331-001.