Andy, talk about off topic!! Anyway, > BSP stands for "British Straight Pipe". NPT, by the way, doesn't Actually, no, BSP stands for "British Standard Pipe". There is also BSPT - "British Standard Pipe - Tapered" which is the same as NPT. My understanding is that BSPT is used throughout most of the known universe (even in metric countries) and often incorrectly referred to as BSP. Now, we return you back to your scheduled program.... -- Clyde Smith-Stubbs | HI-TECH Software, | Voice: +61 7 3300 5011 clyde@hitech.com.au | P.O. Box 103, Alderley, | Fax: +61 7 3300 5246 http://www.hitech.com.au | QLD, 4051, AUSTRALIA. | BBS: +61 7 3300 5235 ---------------------------------------------------------------------------- For info on the World's best C cross compilers for embedded systems, point your WWW browser at http://www.hitech.com.au, or email info@hitech.com.au