Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number BB285247AA found under Parts Kit Seal Repl by Parker Hannifin Ltd. The National Stock Number assigned to this part is 2590016190578, and the Federal Supply Class is 2590 Miscellaneous Vehicular Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like BB285247AA.