Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 277 0366 080 found under Coupler Stripling by Rockwell Collins Inc. The National Stock Number assigned to this part is 5985012088847, 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 277 0366 080.