Part Number: 1553MHZ (Crystal / oscillator) Part Number: 1553NP24 (Cdip) Part Number: 1553O (Ne) Part Number: 1553OR001 (Component) Part Number: 1553OR005 (Wire - single conductor 20awg 10) Part Number: 1553ORN (Oem excess (jj089)) Part Number: 1553P1 (Ne) Part Number: 1553P11 (Ne) Part Number: 1553P7 (Gasket) Part Number: 1553Q (Ne) Part Number: 1553R (Ne) Part Number: 155-3R01-FBW (Rcd o/s) Part Number: 1553RD001 (Call $$ for best price and deliv) Part Number: 1553RD005 (Call $$ for best price and deliv)