MIL-A-26442 1959 Edition, January 20, 1959
Includes all amendments and changes through Notice 3, April 5, 1996
Additional Comments: CNCL NO S/S
This specification covers three classes of waveguide-to-coaxial adapters hereinafter referred to as the "adapters".
The adapters shall be of the following classes and types, as specified (see 6.2):
Class I - Waveguide to Type N Type 1 - UG-397( )/U Type 2 - UG-398( )/U Type 3 - UG-399( )/U Type 4 - UG-400( )/U Type 5 - UG-446( )/U Type 6 - UG-952( )/U Type 7 - UG-953( )/U Class II - Waveguide to 5/8-inch Coaxial Line Type 1 - UG-403( )/U Type 2 - UG-404( )/U Type 3 - UG-445( )/U Type 4 - UG-520( )/U Type 5 - UG-521( )/U Type 6 - UG-523( )/U Class III - Waveguide to 7/8-inch Coaxial Line Type 1 - UG-405( )/U Type 2 - UG-522( )/U