> BSP stands for "British Straight Pipe". NPT, by the way, doesn't > mean "National Pipe Thread", it means "National Pipe - Tapered". Hmm, it appears BSPT and NPT are not exactly the same - and there is another designation for straight BSP - BSPP "British Standard Pipe Parallel". I think I'll go and have breakfast. -- 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