The British Seagull® Outboard Mounting Bracket Stud Nut used to fasten on to the British Seagull Outboard Mounting Bracket Stud, holding the British Seagull Outboard Forty Series Thrust Block and the British Seagull Outboard Thrust Block Assembly into place on the mounting bracket.
You will require a British Seagull Outboard Bronze Spring Washer sitting between the nut and the mounting bracket frame for installation.
This part is suitable for all British Seagull Outboard engines except for Model 110/90 and QB series engines.