Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1A05Y300D1AA found under Switch Reed by Electronic Applications Co. The National Stock Number assigned to this part is 5930003721942, and the Federal Supply Class is 5930 Switches. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 1A05Y300D1AA.