MFG = Not Known. Complete Assy Nbr = Not Known. For: Collins Radio HF Transmitter Component. Item Was Tagged “Incomplete Assembly/Missing Parts”. For Parts &/Or Repair/Vintage NO RETURN OF THIS UNIT. No Testing See Pics. Please read description of the item. The pictures provided are of the item unless otherwise stated. After 6 months the property is considered abandoned per MN State law and you will be contacted one final time. Contact & Hours of Operation We are located in Burnsville, MN.