| Specifications | |
| Product Attribute | Attribute Value |
| Manufacturer Product Number | HD34-24-21PN |
| Manufacturer | TE Connectivity |
| Category | Connectors, Interconnects, Circular Connectors, Circular Connector Housings |
| Base Product Number | HD34 |
| Connector Type | Receptacle Housing |
| Type | For Male Pins |
| Number of Positions | 21 |
| Shell Size - Insert | 24-21 |
| Contact Type | Crimp |
| Contact Size | 12 (4), 16 (17) |
| Mounting Type | Panel Mount |
| Mounting Feature | Bulkhead - Front Side Nut |
| Fastening Type | Bayonet Lock |
| Orientation | Keyed |
| Shell Material | Aluminum |
| Housing Color | Silver |
| Ingress Protection | IP67 - Dust Tight, Waterproof |
| Shielding | Unshielded |
