Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number C10538 found under Relay Solid State by Versitron Inc. The National Stock Number assigned to this part is 5945009029018, 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 C10538.