Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1063 21 05-10 1 found under Light Emitting Diod by Ahearn And Soper Co Inc. The National Stock Number assigned to this part is 5980011395265, 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 1063 21 05-10 1.