Brand new old stock.  We also have bulkhead connectors.  We also have UG213s.

HN series connectors are medium-size, 50 Ω impedance connectors with 3 4 -20 threaded coupling and good power
handling capability. They are best suited for use with cables in the range of .350" to .450" diameter

APPLICABLE CABLES: RG 8; RG-9; RG 213; RG 214