Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 140-7663 PARTS KIT found under Parts Kit Dental Operating And Treatment Unit by A Dec Inc. The National Stock Number assigned to this part is 6545013079159, 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 140-7663 PARTS KIT.