3010-21-109-1500

4120-00-266-9072 4120002669072 002669072 is a self-contained unit designed to perform the functions of cooling, circulating, filtering, dehumidifying or otherwise processing of air. it may also be equipped to perform the additional functions of heating or humidifying. it may be the air cycle type used in aircraft or the vapor cycle type applicable to ground or aerospace equipment. excludes environmental control unit, personnel, self-contained.

5895-99-968-2503 5895999682503 999682503 AMPLIFIER

5830-15-234-0912 5830152340912 152340912 is an electronic device whose audio frequency input signals control power from a source independant of the input signal and delivers audio frequency output signals of greater amplitude with respect to current and/or voltage. the output signals characteristics are uniformly related to the input signals. it operates at frequencies of 20 kilohertzs and below. it may or may not have signal switching capabilities.

4130-14-555-9296 4130145559296 145559296 is a replaceable device designed to remove dust, pollen or other foreign matter from the air passing through it. the removal of particles is accomplished by porous fibrous or shredded material (metallic or nonmetallic) which is loosely woven or matted and confined in a frame or retained between perforated sheets of firmer material. it is designed to fit into air conditioners, ventilation systems and hot air furnaces. it may have facilities for radio frequency/electromagnetic interference shielding. the filter may be cleaned by the use of compressed air, blown through the filter element, or by using water and a suitable detergent for cleaning purposes which would extend the life of the filter.

4130-27-042-6107 4130270426107 270426107 is a replaceable device designed to remove dust, pollen or other foreign matter from the air passing through it. the removal of particles is accomplished by porous fibrous or shredded material (metallic or nonmetallic) which is loosely woven or matted and confined in a frame or retained between perforated sheets of firmer material. it is designed to fit into air conditioners, ventilation systems and hot air furnaces. it may have facilities for radio frequency/electromagnetic interference shielding. the filter may be cleaned by the use of compressed air, blown through the filter element, or by using water and a suitable detergent for cleaning purposes which would extend the life of the filter.