Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number T72 52S FIG 6 1 ITEM 43 found under Housing Bearing Unit by Hermes Machine Tool Co. The National Stock Number assigned to this part is 3130013077815, and the Federal Supply Class is 3130 Bearings Mounted. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like T72 52S FIG 6 1 ITEM 43.