| PartNumber | JR21RK-16PC | JR21RK-16P | JR21RK-16S |
| Description | Standard Circular Connector 16P SRT RECP PIN CRM ALUMINUM CON SCRW LK | Standard Circular Connector 16P STRT RECEPT PIN ALUMINUM CON SCRW LK | Standard Circular Connector 16P STRT RECEPT SCKT SOLDER PNEL SILV PLT |
| Manufacturer | Hirose Electric Co Ltd | - | - |
| Product Category | Circular Connectors - Housings | - | - |
| Series | JR | - | - |
| Packaging | Bulk | - | - |
| Mounting Type | Panel Mount, Flange | - | - |
| Features | - | - | - |
| Ingress Protection | - | - | - |
| Connector Type | Receptacle for Male Contacts | - | - |
| Orientation | Keyed | - | - |
| Number of Positions | 16 | - | - |
| Contact Type | Crimp | - | - |
| Shell Size Insert | 21 | - | - |
| Fastening Type | Threaded | - | - |
| Contact Size | - | - | |
| Shell Size MIL | - | - | - |
| Shell Material Finish | Aluminum, Nickel Plated | - | - |