Repair capability
| Part number | Alt part number | ATA | Description | Aircraft / Engine | |
|---|---|---|---|---|---|
| 21SN04-209 | 79-09-03 | DIFFERENTIAL PRESSURE SWITCH | CFM56 | Contact | |
| 21SN04-209A | 79-09-03 | PRESSURE SWITCH | CFM56 | Contact | |
| 21SN04-211 | 79-09-04 | LOW OIL PRESSURE SWITCH | CFM56 | Contact | |
| 21SN04-211A | 79-09-04 | PRESSURE SWITCH | CFM56 | Contact | |
| 21SN04-223 | 73 | SWITCH | CF6 | Contact | |
| 21SN04-224 | 79 | SWITCH | CF6 | Contact | |
| 21SN04-225 | 79 | SWITCH | CF6 | Contact | |
| 21SN04-226 | 79-09-04 | PRESSURE SWITCH | CFM56 | Contact | |
| 21SN04-226A | 79-09-04 | PRESSURE SWITCH | CFM56 | Contact | |
| 21SN04-268 | 79 | PRESSURE SWITCH | CF6 | Contact | |
| 21SN04-298A | 79 | PRESSURE SWITCH | CF6 | Contact | |
| 21SN04-323A | 73 | PRESSURE SWITCH | CF6 | Contact | |
| 21SN04-324 | 79 | PRESSURE SWITCH | CF6 | Contact | |
| 21SN04-325 | 79 | PRESSURE SWITCH | CF6 | Contact | |
| 21SN04-33 | 79 | PRESSURE SWITCH | CF6 | Contact | |
| 21SN04-333 | 73 | SWITCH | CF6 | Contact | |
| 21SN04-334 | 79 | SWITCH | CF6 | Contact | |
| 21SN04-335 | 79 | SWITCH | CF6 | Contact | |
| 21SN04-33A | 79 | PRESSURE SWITCH | CF6 | Contact | |
| 21SN04-34 | 79 | PRESSURE SWITCH | CF6 | Contact |
