Part Number: 155-37B-12 (Lock spring) Part Number: 15537B-16 (Spring lock) Part Number: 155-37B-5 (Lock spring) Part Number: 155-37B-8 (Spring) Part Number: 15537BCX17 (Ne) Part Number: 155-37C-12 (Spring lock) Part Number: 155-37C-16C (Coupling components) Part Number: 155-37C-5C (Lock spring) Part Number: 155-37C8 (Washer) Part Number: 155-37C-8C (Washer) Part Number: 15537M3C (No description) Part Number: 15537MHZ (No description) Part Number: 15538 (Component) Part Number: 15538-0 (Gyro compass)