This is a restricted solicitation for the repair/overhaul of specific aircraft parts, including air separators and a shutoff valve, anticipated to be awarded on a sole source basis to MHD Rockland Inc. The contractor must be able to obtain technical expertise and OEM parts from Air Liquide Advanced Technologies, and no drawings or schematics are available from the USCG. A Certificate of Conformance is required, and only quotations with shipping terms of F.O.B. Destination or F.O.B. Origin will be accepted. The applicable North American Industry Classification Standard Code is 336413, with a small business size standard of 1,250 employees. No budget amount or location for performance of services is specified.