Part Number: 144-554 (Support) Part Number: 144-554-0 (Resistor network) Part Number: 144555 (Modulator) Part Number: 144-555-0 (Resistor networ) Part Number: 1445555 (Spacer) Part Number: 1445555-1 (Tyco electronics/amp) Part Number: 1445559 (Cap end) Part Number: 144556 (New stock) Part Number: 144556G1 (Bracket) Part Number: 144558 (Spool & sleeve a) Part Number: 14455800-01 (Transformer,power) Part Number: 144558-1 (Spool sleeve assy) Part Number: 1445-58AA58-1 (Machmeter) Part Number: 1445-593341 (Ring part of kit 1445-633565)