| 21 | UL94 V-0 | Crimp | -55 °C | 125 °C | 2 | Gold | Combo, D-Sub | IP65, IP67 | Housing/Shell (Unthreaded) | Free Hanging (In-Line) | Male Pins, Plug | 3 (DB, B) - 21W1 | Blue | Clear Chromate Plated Zinc, Steel | 300 VDC | Copper Alloy | Flash | 7.5 A | Polyester, Glass Filled | 20 AWG | 24 AWG | | | | | |
| 21 | | | -55 °C | 125 °C | 2 | | Combo, D-Sub | IP65, IP67 | Housing/Shell (Unthreaded) | Free Hanging (In-Line) | Receptacle for Female Contacts | 3 (DB, B) - 21W1 | Blue | Clear Chromate Plated Zinc, Steel | | | | | Polyester, Glass Filled | | | Power, Signal and Coax | Contacts Not Included | 1000 | | |
| 21 | | | -55 °C | 125 °C | 2 | | Combo, D-Sub | IP65, IP67 | Housing/Shell (Unthreaded) | Free Hanging (In-Line) | Plug for Male Contacts | 3 (DB, B) - 21W1 | Blue | Clear Chromate Plated Zinc, Steel | | | | | Polyester, Glass Filled | | | Power, Signal and Coax | Contacts Not Included | 1000 | | |
| 21 | | | -55 °C | 125 °C | 2 | | Combo, D-Sub | IP65, IP67 | | Free Hanging (In-Line) | Receptacle for Female Contacts | 3 (DB, B) - 21W1 | Blue | Clear Chromate Plated Zinc, Steel | | | | | Polyester, Glass Filled | | | Power, Signal and Coax | Contacts Not Included | 1000 | Cable Side | Male Jackscrew (4-40) |
| 21 | UL94 V-0 | Crimp | -55 °C | 125 °C | 2 | Gold | Combo, D-Sub | IP65, IP67 | | Free Hanging (In-Line) | Receptacle, Female Sockets | 3 (DB, B) - 21W1 | Blue | Clear Chromate Plated Zinc, Steel | 300 VDC | Copper Alloy | Flash | 7.5 A | Polyester, Glass Filled | 20 AWG | 24 AWG | | | | Cable Side | Male Jackscrew (4-40) |
| 21 | | | -55 °C | 125 °C | 2 | | Combo, D-Sub | IP65, IP67 | Housing/Shell (Unthreaded) | Free Hanging (In-Line) | Receptacle for Female Contacts | 21WA4, 4 (DC, C) | Blue | Clear Chromate Plated Zinc, Steel | | | | | Polyester, Glass Filled | | | Power, Signal and Coax | Contacts Not Included | 1000 | | |