![Marinco Sealing Collar w/Threaded Ring - 50A [510R]](https://www.sailorgearcorner.com/wp-content/uploads/2026/10/marinco-sealing-collar-w-threaded-ring-50a-510r.webp)
Sealing Collar with Threaded Ring – 50A
This sealing collar provides maximum moisture protection between cordset and adapter. At Marinco, we make electrical products that stand up to the harshest environments. Every product we make is designed to withstand the rigors of life at sea.
Features:
- Use with 50 amp only systems
- Use when combining 30A EEL cordset with another cordset
![Marinco Y503-2-30 EEL (2)-30A-125V Female to (1)50A-125V Male - "Y" Adapter - Yellow [Y503-2-30]](https://www.sailorgearcorner.com/wp-content/uploads/2026/10/marinco-y503-2-30-eel-2-30a-125v-female-to-1-50a-125v-male-y-adapter-yellow-y503.webp)
![Raritan Reverse Polarity Alarm [RPA]](https://www.sailorgearcorner.com/wp-content/uploads/2026/10/raritan-reverse-polarity-alarm-rpa.webp)
![Marinco 50A 125V Shore Power Cable - 50' - White [6153SPPW]](https://www.sailorgearcorner.com/wp-content/uploads/2026/10/marinco-50a-125v-shore-power-cable-50-white-6153sppw.webp)
![Marinco Y504-2-503 EEL (2)50A-125V Female to (1)50A-125/250V Male "Y" Adapter - Yellow [Y504-2-503]](https://www.sailorgearcorner.com/wp-content/uploads/2026/10/marinco-y504-2-503-eel-2-50a-125v-female-to-1-50a-125-250v-male-y-adapter-yellow.webp)