28--TUBE ASSY,SCAV OIL, - AND OTHER REPLACEMENT PARTS

aft adequate specifications or any other adequate, economical description of the material for a competitive solicitation. The subject item requires Government source approval prior to contract award, as the item is flight critical and/or the technical data available has not been determined adequate

to support acquisition via full and open competition. Only the source(s) previously approved by the Government for this item have been solicited. The time required for approval of a new source is normally such that an award cannot be delaye