Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number F190CR4-0001 found under Light Emitting Diod by Ledtronics Inc. The National Stock Number assigned to this part is 5980010980983, 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 F190CR4-0001.