Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 2390-64 found under Decollator Continuo by Tab Products Co. The National Stock Number assigned to this part is 7040010625843, and the Federal Supply Class is 7040 Punched Card Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 2390-64.