Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 11 00 21406 found under Cap Plug Protective by Liebherr Aerospace Toulouse Sas. The National Stock Number assigned to this part is 5340142161029, 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 11 00 21406.