Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 582-10A2B21C3D2 found under Switch Housing by Marine Air Supply Co Inc. The National Stock Number assigned to this part is 5930016024490, 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 582-10A2B21C3D2.