Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number B01-R 100 found under Collet Valve Spring by Kubota Uk Ltd. The National Stock Number assigned to this part is 2815996104361, and the Federal Supply Class is 2815 Diesel Engines And Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like B01-R 100.