Threaded collar used to connect 50 amp products together. 1-1/4" long
Threaded Collar for 50 amp Cords and Adapters or Pigtails - 95014
50 Amp Threaded Collar Ring - 95038
Shore Power Cord Boot 50a Replacement Weather Resistant
125/250v 50a Female Replacement Cord End, Marinco 6364CRN
Amp Up 125/250v 50a 6365-CRN Male Replacement Cord Plug End, Black - 95427