Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number D4A159F found under Plate Retaining Bearing by Pentair Pump Group Inc. The National Stock Number assigned to this part is 3110010499918, and the Federal Supply Class is 3110 Bearings Antifriction Unmounted. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like D4A159F.