Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number P1-03 found under Relay Electromagnet by Spindler And Sauppe Inc. The National Stock Number assigned to this part is 5945008819517, 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 P1-03.