Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 888-0256B found under Nrp Gen Cntrl Unt T by Intepro Systems America Lp. The National Stock Number assigned to this part is 4920016059956, 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 888-0256B.