Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 53WK16011 found under Starter Engine Air by Eaton Aerospace Ltd. The National Stock Number assigned to this part is 2995001229508, and the Federal Supply Class is 2995 Miscellaneous Engine Accessories Aircraft. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 53WK16011.