Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number KA1-200B-A4-113041L found under by Mission Microwave Technologies Inc. The National Stock Number assigned to this part is 5996016963823, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like KA1-200B-A4-113041L.