Comparison : Item # 82140-1, WR2100 (R4) Waveguide Socket Flange
Item # 10252-1, WR2100 (R4) Waveguide Thru Flange
Item # 16674-702, WR2100 (R4) Waveguide H-Plane Sweep Bend
Item # 67835-702, WR2100 (R4) Waveguide E-Plane Sweep Bend
Item # 14314-000, WR2100 (R4) Waveguide H-Plane Miter Bend