Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 405S331001404-7 found under Cover Access by L 3 Communications Mas Canada Inc. The National Stock Number assigned to this part is 5340015946922, and the Federal Supply Class is 5340 Hardware Commercial. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 405S331001404-7.