Comparison : Item # 66264-1, WR2300HH Waveguide Socket Flange
Item # 17376-1, WR2300HH Waveguide Thru Flange
Item # 82796-701, WR2300HH Waveguide E-Plane Sweep Bend
Item # 82797-701, WR2300HH Waveguide E-Plane Sweep Bend
Item # 73729-000, WR2300HH Waveguide H-Plane Miter Bend