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Up for sale, rotary switch wafers assembly
p/n 269-2223-000 - switch - on schematic diagram S2A
p/n 269-2223-000 - switch - on schematic diagram S2B
p/n 547-2698-002 - shaft
Genuine COLLINS 51S-1 parts in 100% working condition
(page 6-38. fig. 6-6, item 35 "Collins instruction book for 51S-1")