6610-14-409-2547

6610-14-510-3437 6610145103437 145103437 is an indicator which indicates the rate of an aircraft's ascent or descent.

6610-12-137-9968 Vertical Velocity Indicator VM-455-6-SRNCC: 3 | RNVC: 2 | DAC: 5 30 May 1969 6610-14-409-2547

5920-15-184-5524 5920151845524 151845524 FUSIBILE

4130-22-604-3045 4130226043045 226043045 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.