| Base Product Number | 8D121F |
| Category | Connectors, Interconnects |
| Connector Type | Receptacle Housing |
| Contact Shape | Circular |
| Contact Size | 16 (2), 20 (37) |
| Contact Type | Crimp |
| Fastening Type | Threaded |
| Features, Includes, Material Flammability Rating, Mounting Feature, Shell Size, MIL | - |
| Housing Color | Silver |
| Ingress Protection | IP67 - Dust Tight, Waterproof |
| Insert Material | Thermoplastic |
| Mfr | Souriau-Sunbank by Eaton |
| Mounting Type | Free Hanging (In-Line) |
| Note | Contacts Not Included |
| Number of Positions | 39 |
| Operating Temperature | -65?C ~ 200?C |
| Orientation | A |
| Package | Bulk |
| Primary Material | Nickel |
| Product Status | Active |
| Series | MIL-DTL-38999 Series III, 8D |
| Shell Finish, Shell Material | Aluminum |
| Shell Size - Insert | 21-39 |
| Shielding | Unshielded |
| Type | For Male Pins |