Have you ever wondered what would happen without an engine lubrication unit? Or how a ball screw activator really works?
Even if you work with engines every day, it’s great to know how all those parts work together.
We’ve come SUCH a long way since the first aircraft! All those parts include a lot of technology and improvements that have made flying safer and more efficient over the years.
In this series, we delve into the details you’ve always wanted to know!
(But were afraid to ask!)
Lubrication Units
LUBRICATION UNIT #CFM56 ATA 79-21-15 & 79-21-16 OEM: CFMI C/O SAFRAN
| MPN | ALT MPN |
| 337-075-103-0 | |
| 337-075-104-0 | |
| 337-075-105-0 | |
| 340-400-004-0 | 41F1004 |
| 340-400-005-0 | 41F1005 |
| 41F1004 | 340-400-004-0 |
| 41F1005 | 340-400-005-0 |
Fuel Oil Heat Exchangers
Bleed Air Valves
BLEED AIR VALVE 9TH.-STG. #PW4000 ATA 75-31-40 OEM: Honeywell
| MPN | CMM ATA |
| 1115V0300-1 | 75-31-40; |
| 1115V0300-4 | 75-31-40; |
| 1115V0300-5 | 75-31-40; |
| 1115V0300-6 | 75-31-40; |
| 1115V0700 | 75-31-40; |
| 1115V0700-10 | 75-31-40; |
| 1115V0700-4 | 75-31-40; |
| 1115V0700-5 | 75-31-40; |
| 1115V0700-6 | 75-31-40; |
| 1115V0700-7 | 75-31-40; |
| 1115V0700-8 | 75-31-40; |
| 1115V0700-9 | 75-31-40; |
Stop Mechanism Bleed Valve
Stop Mechanism Bleed Valve #CFM56 ATA 75-31-22 OEM: Honeywell
| MPN | ALT MPN |
| 301-781-403-0 | 3282970-3 |
| 301-781-404-0 | 3282970-4 |
| 301-781-405-0 | 3282970-5 |
| 3282970-3 | 301-781-403-0 |
| 3282970-4 | 301-781-404-0 |
| 3282970-5 | 301-781-405-0 |
| 3282970-2 | 301-781-402-0 |
| 301-781-402-0 | 3282970-2 |
Ball Screw Actuators
Ball Screw Actuators (Master & Slave) #CFM56 ATA 75-31-61 & 75-31-51 OEM: Honeywell
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