Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SR83-27 found under Module Switch Electronic by Emhiser Tele Tech Inc. The National Stock Number assigned to this part is 5985010918100, and the Federal Supply Class is 5985 Antennas Waveguides And Related Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like SR83-27.