MIL-F-3922/28 Complete Document History
Flange, Waveguide (Choke), Type UG-137B-U (Superseded by MIL-F-3922/59)


Obsolete Revision Information:
   CAN NOT 1 - FLANGE, WAVEGUIDE (CHOKE), TYP - Aug. 10, 1966
   REVISION B - FLANGE, WAVEGUIDE (CHOKE), TYP - May 16, 1962