Part Number: 1287-502 (Component) Part Number: 1287-503 (Component) Part Number: 1287-503J (Resistor,variable) Part Number: 1287504 (Cat) Part Number: 1287505 (Geyer) Part Number: 1287506 (Cat) Part Number: 1287506-1 (Component) Part Number: 1287507 (Cat) Part Number: 1287508-1 (Component) Part Number: 1287-50-AL (Raf electronic hard) Part Number: 12875-1 (Shim) Part Number: 1287512 (Cat) Part Number: 1287514 (Geyer) Part Number: 1287515 (Cat)