Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number ST345-1 found under Retainer Electrical Relay by American Zettler Inc. The National Stock Number assigned to this part is 5945005114955, 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 ST345-1.