Coverage. This specification covers dimensional requirements on drill-stem members (except drill pipe)@ including threaded connections@ gaging practice@ and master gages therefor. It also covers dimensional requirements on small diameter work strings@ rotary tables@ shafting@ slush pump components@ rotary hose@ and brake blocks. Also included@ as appendices@ are recommended practices on (1) care and use of regional master@ reference master@ and working gages@ (2) slush pump maintenance@ (3) rotary hose@ and (4) lubrication of rotary shouldered connections.