RE: BSP thread designation; NO LBC cont, Mark Jurras wrote; > 1 inch BSP. > Can anyone provide more info on what BSP stands for and the details? British Standard Pipe thread Specs. for 1 inch; Nominal Bore 1 inch - : - o.d. one and eleven thirtyseconds inches. Thread Dia. 1.309 inch -:- depth 0.0580 inch Core Dia 1.193 inch T.P.I. 11 Nom thread length on pipe 0.875 inch -:- -:- -:- in coupler 1.75 inch From; Mechanical World Year Book 1974. (C)Model and Allied Publications Ltd. ISBN 0 85242 3659 [useless facts 'R us] -- Tom Kellett. P.S. Check out the PIC FAQ at; http://digiserve.com/takdesign/pic-faq/faqindex.html