Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number DE14C18-E3A(INTERLOCK found under Booster Heater Dish by Insinger Machine Company The. The National Stock Number assigned to this part is 7320014286487, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like DE14C18-E3A(INTERLOCK.