310128-01 730 435-01 538727-02 replaced by 735 117 52 735 117 52 253 329-33 ECN 113 2048 03S17-58, 528 100-61 589 614-70 538 727-01 UM121D UM113D TNC 155 P obsolete ECN113 2048, 810800-61 ;Single turn rotary encoder with integral bearing; 393000-55 390925-02 ROD 426 5000 331 279-01