Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number T5R54A found under Bearings by Pentair Pump Group Inc. The National Stock Number assigned to this part is 3120009634496, 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 T5R54A.