Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number TS1421T found under Relay Solid State by Ssac Inc. The National Stock Number assigned to this part is 5945011571965, 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 TS1421T.