| Part Number | 1-331421-0 | 1-331420-0 | 
|---|---|---|
| Manufacturer | TE Connectivity AMP Connectors | TE Connectivity AMP Connectors | 
| Category | Terminals - Ring Connectors | Terminals - Ring Connectors | 
|   |   | |
| Product Status | Active | Active | 
| Terminal Type | Circular | Circular | 
| Stud/Tab Size | 5/16 Stud | 5/16 Stud | 
| Thickness | 0.091" (2.31mm) | 0.091" (2.31mm) | 
| Width - Outer Edges | 0.679" (17.25mm) | 0.679" (17.25mm) | 
| Length - Overall | 1.907" (48.44mm) | 1.535" (38.99mm) | 
| Mounting Type | Free Hanging (In-Line) | Free Hanging (In-Line) | 
| Termination | Crimp | Crimp | 
| Wire Gauge | 4 AWG | 4 AWG | 
| Insulation | Insulated | Non-Insulated | 
| Features | Heavy Duty, Serrated Termination | Brazed Seam, Heavy Duty, Serrated Termination | 
| Color | Yellow | - | 
| Contact Material | Copper | Copper | 
| Contact Finish | Tin | Tin |