Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number CVD 197A-TO18C found under Laser Diode Fiber Optic by Osi Laser Diode Inc. The National Stock Number assigned to this part is 6032015583518, and the Federal Supply Class is 6032 Fiber Optic Light Sources And Photo Detectors. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like CVD 197A-TO18C.