VISHAY/Spectrol Potentiometers Series 148/149. Vishay Spectrol Potentiometers is announcing the changes to Assembly site and Form Fit Function affecting series 148/149. Included in these changes are; new part numbering system, Pot's body color becomes white instead of black, the electrical course is 270 instead of 265, mechanical course is 300 instead of 295, the new Pot's body size for single gang is smaller, pin length is shorter (from .85" to .341"), solder hooks option is replaced with solder lugs, tin leads are replacing gold leads (product is RoHs), and the common lead is now pin #3. Please see the following list of part numbers and their new manufacturer replacement part numbers. Old Manufacturer P/N New Manufacturer P/N 148-1102 148-SX1N48S102SL 148-1103 148-SX1N48S103SL 148-1104 148-SX1N48S104SL 148-1105 148-SX1N48S105SL 148-7102 148-SX1G56S102SL 148-7103 148-SX1G56S103SL 148-7104 148-SX1G56S104SL 148-7502 148-SX1G56S502SL 148-7503 148-SX1G56S502SL 149-1102 149-SX1N48S102SL 149-1103 149-SX1N48S103SL 149-1104 149-SX1N48S104SL 149-1502 149-SX1N48S502SL 149-1503 149-SX1N48S503SL 149-7102 149-SX1G56S102SL 149-7104 149-SX1G56S104SL 149-7105 149-SX1G56S105SL 149-7502 149-SX1G56S502SL 149-7503 149-SX1G56S503SL 5-0906-22