Included in this document are requirements for conveyor systems, guides, stops, restraint hardware that are used on trucks, transporters, dollies, storage provisions, pallet build-up hoists, or other device-handling equipment. a) These requirements reflect state of the art criteria applied to known successfully operated hardware. Any design deviations shall be required to demonstrate equivalency to this specification criteria. b) These devices usually form an integral part of the aircraft and as such are subject to regulatory agencies' requirements to assure structural integrity.