Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 193B8K030 found under Bar Assembly Retainer Air Filter by United Air Filter Company. The National Stock Number assigned to this part is 2990009185553, and the Federal Supply Class is 2990 Miscellaneous Engine Accessories Nonaircraft. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 193B8K030.