Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 534-1011-04 found under Window Wedge by L 3 Communications Corporation. The National Stock Number assigned to this part is 6610000961681, and the Federal Supply Class is 6610 Flight Instruments. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 534-1011-04.