Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number EJ390PT16 found under Relay Thermal by Allis Chalmers Corp. The National Stock Number assigned to this part is 5945002016073, 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 EJ390PT16.