to Pay $1.4
277-0419-010 Rockwell Collins Radio Frequency Standard module For Sale
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277-0419-010 Rockwell Collins Radio Frequency Standard module : $10
This is a crystal oscillator module made by Electronic Research Co. for Rockwell Collins radio. This is Collins part number 277-0419-010. This is in good overall condition it does have some rust and corrosion on the connector. I do not know what radio this was used with. It can be returned for a refund if not happy.