Up for sale, gear sector drive - Collins receiver 51S-1 - part of gear train assembly Genuine COLLINS 51S-1 part in 100% working condition Associate Part No. - 547-2606-003 Gear Sector - 547-2607-003 Gear Sector Drive - 756-4050-002 Spring Helical (two pcs.) page 6-43/6-44, fig. 6-7 - Gear Train Assembly - "Collins instruction book for 51S-1" |