Standard WASHER, COUPLING, FLEXIBLE, VARIABLE CAVITY, THREADED, FERRULE TYPE TUBE ENDS 2002-03-01 HISTORICAL AS1715C
Standard WASHER, COUPLING, FLEXIBLE, VARIABLE CAVITY, THREADED, FERRULE TYPE TUBE ENDS 2006-08-31 HISTORICAL AS1715D
Standard WASHER, COUPLING, FLEXIBLE, VARIABLE CAVITY, THREADED, FERRULE TYPE TUBE ENDS 2014-11-25 CURRENT AS1715E