Scout Type SO 239 Through-Deck Antenna Connector - PA-90 | Defender
Connector PL SO-239 UHF male for RG58 coax | hamparts.shop
Amazon.com: Right Angle BNC to SO-239 Adapter, 2-Pack UHF Female to BNC Male Coax Connector Convertor for Ham Radio, Antenna, Scanner, Coaxial Cable : Electronics
Shakespeare Right Angle Connector - PL-259 to SO-239 Adapter - BOEMarine.com