Part Number: 129AM (At&t microelectronics) Part Number: 129AN (National semiconductor) Part Number: 129AOR1 (Ne) Part Number: 129AOR1120C (Ne) Part Number: 129AP (Silicnx) Part Number: 129AP883 (Ne) Part Number: 129AP883B (Ne) Part Number: 129AP883L (Ne) Part Number: 129APDSIL (Ne) Part Number: 129AR-901 (Stancor / white rodgers) Part Number: 129AR-902 (Stancor / white rodgers) Part Number: 129AR-902-STNCR (Ne) Part Number: 129AR-903 (Stancor / white rodgers) Part Number: 129AS259 (Connector)