| Part Number | 3-2172079-2 | 3-2172089-2 | 
|---|---|---|
| Manufacturer | TE Connectivity AMP Connectors | TE Connectivity AMP Connectors | 
| Category | Circular Connectors | Circular Connectors | 
|   |   | |
| Product Status | Obsolete | Obsolete | 
| Connector Type | Receptacle, Female Sockets | Receptacle, Female Sockets | 
| Number of Positions | 4 | 4 | 
| Shell Size - Insert | M12-4 | M8-4 | 
| Shell Size, MIL | - | - | 
| Mounting Type | Panel Mount, Through Hole, Right Angle | Panel Mount, Through Hole | 
| Mounting Feature | Bulkhead | Bulkhead - Front Side Nut | 
| Termination | Solder | Solder | 
| Fastening Type | Threaded | Push-Pull | 
| Orientation | A | - | 
| Primary Material | Metal | Metal | 
| Shell Material | Brass | Zinc Die Cast | 
| Shell Finish | Nickel | Nickel | 
| Contact Finish - Mating | Gold | Gold | 
| Color | Silver | Silver | 
| Ingress Protection | IP68 - Dust Tight, Waterproof | IP67 - Dust Tight, Waterproof | 
| Material Flammability Rating | - | - | 
| Features | Board Guide, Board Lock | Board Lock | 
| Shielding | Shielded | Shielded | 
| Current Rating (Amps) | 4A | 4A | 
| Voltage Rating | 250VAC/DC | 30VAC/DC | 
| Cable Opening | - | - | 
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C |