Collins 599A-1 Adapter Unit P/N 522-3767-001 from $55.78 Qty. Add to Cart This item is a recurring or deferred purchase. By continuing, I agree to the cancellation policy and authorize you to charge my payment method at the prices, frequency and dates listed on this page until my order is fulfilled or I cancel, if permitted. Condition: UsedCondition Description: as removedManufacturer Part Number: 522-3767-001 Qty available: 1 Tweet