Replaceable contact for multiple connector

Claim 1

IN A DEVICE OF THE CLASS DESCRIBED, A CONNECTOR PLUG BODY HAVING A BORE THERETHROUGH INCLUDING A MAIN BORE WITH A COUNTERBORE AT EACH END, SAID COUNTERBORE PROVIDING ANNULAR OUTWARDLY FACING SHOULDERS AT EACH END OF THE MAIN BORE; AN ELECTRICAL CONTACT INSERTABLE IN SAID BORE, HAVING CONDUCTOR CONNECTION ENDS THEREON ARRANGED TO RECEIVE ELECTRICAL CONDUCTORS, AND A REDUCED MIDPORTION; FIRST SHOUDLER MEANS ON THE OUTER END OF ONE OF THE CONDUCTOR CONNECTION ENDS; SECOND SHOULDER MEANS ON THE CONTACT ADJACENT THE REDUCED MIDPORTION FACING THE FIRST SHOULDER MEANS; THIRD SHOULDER MEANS ON THE CONTACT SPACED FROM, AND FACING, THE SECOND SHOUDLER MEANS; A RETAINER MEMBER CONSTITUTING A SPLIT SLEEVE EXTENDING ABOUT THE CONTACT BETWEEN THE FIRST SHOULDER MEANS AND THE SECOND SHOULDER MEANS AND ABOUT THE THIRD SHOULDER MEANS; A PLURALITY OF LONGITUDINAL SLITS IN SAID SLEEVE PROVIDING OUTWARDLY TAPERED SPRING PRONGS THEREON; INWARDLY EXTENDING FLANGES ON THE OUTER ENDS OF THE PRONGS, EACH FLANGE INCLUDING A PORTION EXTENDING SUBSTANTIALLY RIGHT ANGULARLY WITH REFERENCE TO THE AXIS OF THE BORE, THE SAID FLANGES BEING ARRANGED CONTACT ONE OF THE SHOULDERS IN THE BORE, WITH THE INNER SURFACES THEREOF ENGAGED BY THE THIRD SHOULDER MEANS ON THE CONTACT.