Circular Waveguide Sizes

Circular Waveguide Sizes

FrequencyBandFrequency RangeCircular WaveguideDiameter, Inches (mm)Cover Flange (Brass)MIL-F- 3922 UGFlange Type
XLOW8.2-9.971.094 (27.79)53-001 UG-39/USquare
MID8.5-11.60.938 (23.83)
HIGH9.97-12.40.797 (20.24)
KuLOW12.4-15.90.688 (17.48)53-005 UG-1666/USquare
MID13.4-18.00.594 (15.08)
HIGH15.9-18.00.500 (12.70)
KLOW17.5-20.50.455 (11.56)54-001 UG-595/USquare
MID20-24.50.396 (10.06)
HIGH24-26.50.328 (8.33)
KaLOW26.5-330.315 (8.00)54-003 UG-595/USquare
MID33-38.50.250 (6.35)
HIGH38.5-400.219 (5.56)
QLOW33-38.50.250 (6.35)67B-006 UG-383/URound
MID38.5-430.219 (5.56)
HIGH43-500.188 (4.78)
ULOW40-430.210 (5.33)67B-007 UG-383/U-MRound
MID43-500.188 (4.78)
HIGH50-600.165 (4.19)
VLOW50-580.165 (4.19)67B-008 UG-385/URound
MID58-680.141 (3.58)
HIGH68-750.125 (3.18)
ELOW60-660.136 (3.45)67B-009 UG-387/URound
MID66-820.125 (3.18)
HIGH82-900.094 (2.39)
WLOW75-880.112 (2.84)67B-010 UG-387/U-MRound
HIGH88-1100.094 (2.39)
FLOW90-1150.089 (2.26)-UG-387/U-MRound
HIGH115-1400.075 (1.91)
DLOW110-1400.073 (1.85)-UG-387/U-MRound
HIGH140-1600.059 (1.50)
GLOW140-1800.058 (1.47)-UG-387/U-MRound
HIGH180-2200.045 (1.14)
170-2600.049 (1.25)-UG-387/U-MRound
220-3250.039 (0.99)-UG-387/U-MRound