Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number PL4950A300249-1 ITEM NO. 3 found under Relay Electromagnet by L 3 Communications Westwood. The National Stock Number assigned to this part is 5945014313693, 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 PL4950A300249-1 ITEM NO. 3.