Part Number: 1253FN (Ne) Part Number: 1253H-14 (Ne) Part Number: 1253H2 (Ja447a) Part Number: 1253J (Ne) Part Number: 1253K (Socket kit) Part Number: 1253K01 (Rcd) Part Number: 1253K6FCS (Ne) Part Number: 1253KIT (B&k precision) Part Number: 1253-KYSTN (Ne) Part Number: 1253-LEACH (Switch actuating) Part Number: 1253MH (Ne) Part Number: 1253MHZ (Ne) Part Number: 1253MHZDIP-14OSC (Factory original brand new) Part Number: 125-3NP-2 (Component)