Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 542 16 64-49 found under Filter Assembly Fluid by Husqvarna Outdoor Products Inc. The National Stock Number assigned to this part is 2940015881350, and the Federal Supply Class is 2940 Engine Air And Oil Filters Strainers And Cleaners Nonaircraft. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 542 16 64-49.