| 1270440-1 | Fan, Axial, 100 MM | Enviro Systems Inc. | — | 21 | Environmental / Cabin | PMA |
| 1270440-2 | Ground Cooling, Fan, Axial, 100 MM | Enviro Systems Inc. | — | 21 | Environmental / Cabin | PMA |
| 1270570-2 | Fan Axial Cabin Evaporator, 5.75 Inch | Enviro Systems Inc. | — | 21 | Pneumatics | PMA |
| 1270570-3 | Fan, Axial, Cabin Evaporator, 5.75 inch | Enviro Systems Inc. | | 25 | Interior / Furnishings | PMA |
| 1300010-1 | Cockpit Fresh Air Valve | Enviro Systems Inc. | — | 21 | Pneumatics | PMA |
| 1300010-2 | Cockpit Fresh Air Valve | Enviro Systems Inc. | | 21 | Environmental / Cabin | PMA |
| 1300010-3 | RH CKPT Fresh Air Valve | Enviro Systems Inc. | — | 20 | unknown | PMA |
| 1300010-4 | Cockpit Fresh Air Valve RH | Enviro Systems Inc. | | 21 | Environmental / Cabin | PMA |
| 1300020-1 | Cabin Fresh Air Valve, Heat Only | Enviro Systems Inc. | — | 25 | Interior / Furnishings | PMA |
| 1300030-1 | Cabin Fresh Air Valve, VCS | Enviro Systems Inc. | — | 21 | Pneumatics | PMA |
| 1300030-2 | Cabin Fresh Air Valve, VCS | Enviro Systems Inc. | | 76 | Engine Accessories | PMA |
| 1300090-1 | Hot Air Diverter | Enviro Systems Inc. | — | 21 | Environmental / Cabin | PMA |
| 1300160-11 | Cockpit Control Panel, Dual Zone | Enviro Systems Inc. | | 21 | Environmental / Cabin | PMA |
| 1300160-12 | Cockpit Control Panel, Heat NVG | Enviro Systems Inc. | | 56 | Structures | PMA |
| 1300160-3 | Cockpit Control Panel ECS | Enviro Systems Inc. | — | 21 | Avionics / Electronics | PMA |
| 1300160-4 | Cockpit Control Panel, ECS, NVG | Enviro Systems Inc. | | 56 | Structures | PMA |
| 1300160-7 | Cockpit Control Panel HTR | Enviro Systems Inc. | — | 56 | Structures | PMA |
| 1300160-8 | Cockpit Control Panel, Heat NVG | Enviro Systems Inc. | | 21 | Environmental / Cabin | PMA |
| 1300222-11 | Sensor, Suction Pressure | Enviro Systems Inc. | — | 21 | Environmental / Cabin | PMA |
| 1300230-12 | Flow Control Shut Off Valve Assy, Left Side | Enviro Systems Inc. | — | 21 | Environmental / Cabin | PMA |
| 1300230-13 | Flow Control Shut Off Valve Assy, Left Side | Enviro Systems Inc. | — | 21 | Environmental / Cabin | PMA |
| 1300230-15 | Flow Control Shut Off Valve Assy, Left Side | Enviro Systems Inc. | — | 21 | Environmental / Cabin | PMA |
| 1300230-22 | Flow Control Shut Off Valve Assy, Right Side | Enviro Systems Inc. | — | 21 | Environmental / Cabin | PMA |
| 1300230-23 | Flow Control Shut Off Valve Assy, Right Side | Enviro Systems Inc. | — | 21 | Environmental / Cabin | PMA |
| 1300230-25 | Flow Control Shut Off Valve Assy, Right Side | Enviro Systems Inc. | — | 21 | Environmental / Cabin | PMA |
| 1300230-35 | Valve, Flow Control & Shutoff, Cockpit | Enviro Systems Inc. | — | 21 | Environmental / Cabin | PMA |
| 1300230-45 | Valve, Flow Control & Shutoff, Cabin | Enviro Systems Inc. | — | 76 | Engine Accessories | PMA |
| 1300250-2 | Valve/Muffler Assy, Flow Ctrl & Shutoff, Sys Air Conditioning | Enviro Systems Inc. | — | 78 | Engine Accessories | PMA |
| 1300250-7 | Valve/Muffler Assy, Flow Ctrl & Shutoff, Sys Air Conditioning | Enviro Systems Inc. | — | 78 | Engine Accessories | PMA |
| 1300330-14 | Valve, Temp Modulating | Enviro Systems Inc. | — | 21 | Pneumatics | PMA |
| 1300330-30 | Valve, Temperature Modulating | Enviro Systems Inc. | — | 21 | Environmental / Cabin | PMA |
| 1300350 | Cabin Temp Controller | Enviro Systems Inc. | — | 21 | Pneumatics | PMA |
| 1300350-13 | Temp Controller | Enviro Systems Inc. | | 21 | Environmental / Cabin | PMA |
| 1300360 | Mass Flow Controller | Enviro Systems Inc. | — | 21 | Pneumatics | PMA |
| 1300360-13 | Mass Flow Controller | Enviro Systems Inc. | | 21 | Electromechanical | PMA |
| 1300440-1 | Cabin Temp Sensor | Enviro Systems Inc. | — | 21 | Pneumatics | PMA |
| 1300440-10 | Zone Temperature Sensor | Enviro Systems Inc. | — | 21 | Environmental / Cabin | PMA |
| 1300440-4 | Sensor, Cabin Temperature | Enviro Systems Inc. | — | 21 | Electromechanical | PMA |
| 1300440-9 | Zone Temperature Sensor | Enviro Systems Inc. | — | 20 | unknown | PMA |
| 1300440, -1 | Cabin Temp Sensor | Enviro Systems Inc. | — | 21 | Environmental / Cabin | PMA |
| 1300450 | Duct Temp Sensor | Enviro Systems Inc. | — | 21 | Pneumatics | PMA |
| 1300450-8 | Duct Temperature Sensor/Switch | Enviro Systems Inc. | — | 21 | Environmental / Cabin | PMA |
| 1300464 | Mass Flow Sensor | Enviro Systems Inc. | — | 21 | Pneumatics | PMA |
| 1300464-13 | Flow Sensor | Enviro Systems Inc. | | 21 | Environmental / Cabin | PMA |
| 1300490 | Flow Control Valve | Enviro Systems Inc. | — | 21 | Pneumatics | PMA |
| 1300490-11 | Flow Control Valve | Enviro Systems Inc. | | 21 | Environmental / Cabin | PMA |
| 1300500-1 | Ejector, Recirculation, Bleed Air | Enviro Systems Inc. | — | 75 | Pneumatics | PMA |
| 1300510-1 | Valve, Bleed Air Ejector | Enviro Systems Inc. | — | 21 | Environmental / Cabin | PMA |
| 1300520-3 | Cabin Muffler for Bleed Line | Enviro Systems Inc. | — | 78 | Engine Accessories | PMA |
| 1300520-4 | Cabin Muffler for Bleed Line | Enviro Systems Inc. | — | 78 | Engine Accessories | PMA |