Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SA12MXBKBC found under Back Book Cell 12 Mx Machined Re by Exceltec Intl Corp. The National Stock Number assigned to this part is 4630013828537, and the Federal Supply Class is 4630 Sewage Treatment Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like SA12MXBKBC.