Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 33-22243-3 found under Mounting Pad Pillow Block by L 3 Communications Integrated. The National Stock Number assigned to this part is 1560007855030, and the Federal Supply Class is 1560 Airframe Structural Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 33-22243-3.