Offshoreonly.com - speedmaster drain plug thread type and size

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speedmaster drain plug thread type and size

Does anyone know what size and type the threaded plugs are on a SSM V?
i.e. 1/2 npt etc. Want to make a filling adapter for my barrel pump.
Thanks in advance
Jeff

My SSM IIIA's were the same as standard Bravo. Same vintage of production so I assume they are the same diameter and thread size. I used one off of an old bravo hand-pumps that I had and converted it to the pail size pump so I could use the 5 gallon Merc High Performance oil. Just be cautious, make sure all of the drains are open and you follow the procedure. If you create to much air pressure with the fluid, it will start to blow the seals. I know a couple of boats that have done this, they thought they were going to use a small 12 volt pump, it made too much pressure and blew 2 seals on the input shaft

Good Luck

Do you know the size of the tapped hole? Pitch and diameter?

Ayuh,.... Standard is 3/8"- 16,...