Would this have had a Cover/Cap

[Bigplumbs]

Below is a couple of pics of my Mooring light receiving Plug. I sort of think this must have had a cap over it back in the day. Anyone know what it is and if it had a cap and even better then name of it so I might search away

Thanks

Dennis

 

[petem]

Try Seabridge Marine?

 

[Bigplumbs]

Ordered these in 28 mm Should do the Job

White Snap-on Silicone Rubber Blanking End Caps Tube Inserts Plug Bung 10mm-30mm | eBay