Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SFT-16 found under Bearing Unit Ball by Seal Master Corporation. The National Stock Number assigned to this part is 3130011981656, 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 SFT-16.