Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number S2GP7-25-73B found under Relay Electromagnetic by National Aeronautics And Space. The National Stock Number assigned to this part is 5945001178884, 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 S2GP7-25-73B.