Circular Connector, 4 Contact(s), Copper Alloy, Female, Socket
| Parameter Name | Attribute value |
| Reach Compliance Code | unknown |
| ECCN code | EAR99 |
| Back shell type | SOLID |
| Body/casing type | SOCKET |
| Connector type | CIRCULAR CONNECTOR |
| Contact point gender | FEMALE |
| Coupling type | SNAP |
| DIN compliance | NO |
| empty shell | NO |
| Filter function | NO |
| IEC compliance | NO |
| MIL compliance | NO |
| Manufacturer's serial number | IRM-A20 |
| Mixed contacts | NO |
| Installation type | CABLE |
| Options | GENERAL PURPOSE |
| Shell surface | NICKEL PLATED |
| Shell material | COPPER ALLOY |
| Total number of contacts | 4 |
| Base Number Matches | 1 |

| A20-004-0231C | A18-004-0263C | A18-005-0263B | A18-006-0263D | A18-008-0263A | A19-004-0230C | A19-006-0230D | A19-008-0230A | A20-006-0231D | A20-008-0231A | |
|---|---|---|---|---|---|---|---|---|---|---|
| Description | Circular Connector, 4 Contact(s), Copper Alloy, Female, Socket | Circular Connector, 4 Contact(s), Copper Alloy, Female, Solder Terminal, Socket | Circular Connector, 5 Contact(s), Copper Alloy, Female, Solder Terminal, Socket | Circular Connector, 6 Contact(s), Copper Alloy, Female, Solder Terminal, Socket | Circular Connector, 8 Contact(s), Copper Alloy, Female, Solder Terminal, Socket | Circular Connector, 4 Contact(s), Copper Alloy, Male, Plug | Circular Connector, 6 Contact(s), Copper Alloy, Male, Plug | Circular Connector, 8 Contact(s), Copper Alloy, Male, Plug | Circular Connector, 6 Contact(s), Copper Alloy, Female, Socket | Circular Connector, 8 Contact(s), Copper Alloy, Female, Socket |
| Reach Compliance Code | unknown | unknown | unknown | unknown | unknown | unknown | unknown | unknown | unknown | unknown |
| Back shell type | SOLID | SOLID | SOLID | SOLID | SOLID | SOLID | SOLID | SOLID | SOLID | SOLID |
| Body/casing type | SOCKET | SOCKET | SOCKET | SOCKET | SOCKET | PLUG | PLUG | PLUG | SOCKET | SOCKET |
| Connector type | CIRCULAR CONNECTOR | CIRCULAR CONNECTOR | CIRCULAR CONNECTOR | CIRCULAR CONNECTOR | CIRCULAR CONNECTOR | CIRCULAR CONNECTOR | CIRCULAR CONNECTOR | CIRCULAR CONNECTOR | CIRCULAR CONNECTOR | CIRCULAR CONNECTOR |
| Contact point gender | FEMALE | FEMALE | FEMALE | FEMALE | FEMALE | MALE | MALE | MALE | FEMALE | FEMALE |
| Coupling type | SNAP | SNAP | SNAP | SNAP | SNAP | SNAP | SNAP | SNAP | SNAP | SNAP |
| DIN compliance | NO | NO | NO | NO | NO | NO | NO | NO | NO | NO |
| empty shell | NO | NO | NO | NO | NO | NO | NO | NO | NO | NO |
| Filter function | NO | NO | NO | NO | NO | NO | NO | NO | NO | NO |
| IEC compliance | NO | NO | NO | NO | NO | NO | NO | NO | NO | NO |
| MIL compliance | NO | NO | NO | NO | NO | NO | NO | NO | NO | NO |
| Manufacturer's serial number | IRM-A20 | CRM-A18 | CRM-A18 | CRM-A18 | CRM-A18 | IRM-A19 | IRM-A19 | IRM-A19 | IRM-A20 | IRM-A20 |
| Mixed contacts | NO | NO | NO | NO | NO | NO | NO | NO | NO | NO |
| Installation type | CABLE | BOARD | BOARD | BOARD | BOARD | CABLE | CABLE | CABLE | CABLE | CABLE |
| Options | GENERAL PURPOSE | GENERAL PURPOSE | GENERAL PURPOSE | GENERAL PURPOSE | GENERAL PURPOSE | GENERAL PURPOSE | GENERAL PURPOSE | GENERAL PURPOSE | GENERAL PURPOSE | GENERAL PURPOSE |
| Shell surface | NICKEL PLATED | NICKEL PLATED | NICKEL PLATED | NICKEL PLATED | NICKEL PLATED | NICKEL PLATED | NICKEL PLATED | NICKEL PLATED | NICKEL PLATED | NICKEL PLATED |
| Shell material | COPPER ALLOY | COPPER ALLOY | COPPER ALLOY | COPPER ALLOY | COPPER ALLOY | COPPER ALLOY | COPPER ALLOY | COPPER ALLOY | COPPER ALLOY | COPPER ALLOY |
| Total number of contacts | 4 | 4 | 5 | 6 | 8 | 4 | 6 | 8 | 6 | 8 |
| Base Number Matches | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |