Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number R126391PC5 found under Bushing Sleeve by Kapl Inc. The National Stock Number assigned to this part is 3120001953333, 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 R126391PC5.