MIL-C-3643A, MILITARY SPECIFICATION: CONNECTORS, COAXIAL, RADIO FREQUENCY, SERIES HN, AND ASSOCIATED FITTINGS, GENERAL SPECIFICATION FOR (21-FEB-1961) [S/S BY MIL-DTL-3643B]

MIL-C-3643A, MILITARY SPECIFICATION: CONNECTORS, COAXIAL, RADIO FREQUENCY, SERIES HN, AND ASSOCIATED FITTINGS, GENERAL SPECIFICATION FOR (21-FEB-1961) [S/S BY MIL-DTL-3643B]., Inactive for new design after 14 August 1972. This specification covers the general requirements for weatherproof, series HN-radiofrequency, coaxial connectors and associated fittings. These connectors have a nominal impedance of 50 ohms, an operating voltage of 1,500 volts root mean square, and a nominal operating frequency range of 0 to 10,000 MHz (see 6.1 and 6.3).