Part Number: 1209-5912100 (Meter) Part Number: 1209593 (Ha-6, lycoming [eng mfg partno: ) Part Number: 1-209597-0 (No description) Part Number: 1-209597-1 (No description) Part Number: 1-209597-4 (No description) Part Number: 1-209597-6 (Fiber optic attenuators) Part Number: 1209599-101 (1680-00-269-0612) Part Number: 12095A (Nut base coupling) Part Number: 12095B (Bracket,mounting) Part Number: 12-095BX (Call for price and delivery) Part Number: 12095C (Ne) Part Number: 12095CST1025 (Amis) Part Number: 12095D (Ne) Part Number: 12095DR2 (Ne)