Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number M2 0140 found under Keyboard Data Entry by Staco Systems Inc. The National Stock Number assigned to this part is 5999014971735, and the Federal Supply Class is 5999 Miscellaneous Electrical And Electronic Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like M2 0140.