Circular Waveguide Sizes
Circular Waveguide Sizes FrequencyBand Frequency Range Circular WaveguideDiameter, Inches (mm) Cover Flange (Brass)MIL-F- 3922 UG Flange Type X LOW 8.2-9.97 1.094 (27.79) 53-001 UG-39/U Square MID 8.5-11.6 0.938 (23.83) HIGH 9.97-12.4 0.797 (20.24) Ku LOW 12.4-15.9 0.688 (17.48) 53-005 UG-1666/U Square MID 13.4-18.0 0.594 (15.08) HIGH 15.9-18.0 0.500 (12.70) K LOW 17.5-20.5 0.455 (11.56) 54-001 UG-595/U Square MID 20-24.5 0.396 (10.06) HIGH 24-26.5 0.328 (8.33) Ka LOW 26.5-33 0.315 (8.00) 54-003 UG-595/U Square MID 33-38.5 0.250 (6.35) HIGH 38.5-40 0.219 (5.56) Q LOW 33-38.5 0.250 (6.35) 67B-006...