Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 340594 PIECE 12 found under Seal Plain by Meggitt North Hollywood Inc. The National Stock Number assigned to this part is 5330011985486, and the Federal Supply Class is 5330 Packing And Gasket Materials. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 340594 PIECE 12.