Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number D-3774 REV L FIND ITEM 73 found under Relaysolid State by L3 Communications Corp. The National Stock Number assigned to this part is 5945016909610, 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 D-3774 REV L FIND ITEM 73.