Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number KSF0504P found under Bushing Sleeve by British Aerospace Inc. The National Stock Number assigned to this part is 3120010570845, and the Federal Supply Class is 3120 Bearings Plain Unmounted. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like KSF0504P.