| Table I. Shell Style | |||
| Shell Style | Description | ||
| 3100 | Wall mount receptacle | ||
| 3101 | In-line receptacle | ||
| 3102 | Box mount receptacle | ||
| 3103P | Wall mount receptacle, potting seal | ||
| 3104 | Jam Nut receptacle | ||
| 3106 | Straight plug | ||
| 3106P | Straight plug, potting seal | ||
| 3108 | 90° Plug | ||
| TABLE II. CLASS | |||
| Code | Description | Environmental | Grommet |
| A | Threaded adapter | No | No |
| B | Threaded adapter | Yes | Yes |
| E | Threaded adapter | Yes | No |
| D | Backshell, 2 piece with MS3057*A Clamp | Yes | No |
| F | Backshell, 2 piece with MS3057*A Clamp | Yes | Yes |
| K | Backshell, 2 piece with MS3057*C Clamp | Yes | No |
| P | Potting boot | Yes | No |