MIL-F-3922B (SUPPLEMENT 1F), MILITARY SPECIFICATION: FLANGES, WAVEGUIDE, GENERAL PURPOSE, GENERAL SPECIFICATION FOR (04 APR 1977) [S/S BY MIL-DTL-3922C]

MIL-F-3922B (SUPPLEMENT 1F), MILITARY SPECIFICATION: FLANGES, WAVEGUIDE, GENERAL PURPOSE, GENERAL SPECIFICATION FOR (04 APR 1977) [S/S BY MIL-DTL-3922C]., This supplement forms a part of Military Specification MIL-F-3922B, dated 20 September 1963.