Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number AT60D 60D-IV6C6 found under Adapter Tip Boroscope by Olympus America Inc. The National Stock Number assigned to this part is 6650014800053, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like AT60D 60D-IV6C6.