Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 440 00003 01 found under Display Optoelectro by Rycom Instruments. The National Stock Number assigned to this part is 5980012873552, and the Federal Supply Class is 5980 Optoelectrical Devices And Associated Hardware. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 440 00003 01.