| PartNumber | 521598-1 | 521596-2 | 521596-1 |
| Description | Terminals 187 ULTRA-POD FLAG 22-18 BR | Terminals 187 ULTRA-POD FLAG 22-18 TPBR | Terminals 187 ULTRA-POD FLAG 22-18 BR |
| Manufacturer | TE Connectivity | TE Connectivity | TE Connectivity |
| Product Category | Terminals | Terminals | Terminals |
| RoHS | Y | Y | - |
| Product | Quick Disconnects | Quick Disconnects | Quick Disconnects |
| Stud / Tab Size | 4.75 mm x 0.81 mm | - | 4.75 mm x 0.5 mm |
| Series | 187 FASTON | 187 FASTON | 187 FASTON |
| Tradename | FASTON | FASTON | FASTON |
| Brand | TE Connectivity / AMP | TE Connectivity / AMP | TE Connectivity / AMP |
| Product Type | Terminals | Terminals | Terminals |
| Factory Pack Quantity | 2400 | 2400 | 2400 |
| Subcategory | Terminals | Terminals | Terminals |
| Part # Aliases | 521598-1 | 521596-2 | 521596-1 |
| Type | - | - | - |
| Wire Gauge | - | 22 AWG - 18 AWG | - |
| Termination Style | - | Crimp | - |
| Gender | - | Female | - |
| Insulation | - | Insulated | - |
| Color | - | Natural | - |
| Contact Plating | - | Tin | - |
| Contact Material | - | Brass | - |
| Current Rating | - | - | - |
| Insulation Material | - | Nylon | - |
| Length | - | 23.15 mm | - |
| Material | - | Brass | - |
| Mounting Angle | - | - | - |
| Mounting Method | - | - | - |
| Voltage Rating | - | 600 V | - |
| Width | - | 12.32 mm | - |
| Maximum Bundle Diameter | - | - | - |
| Contact Gender | - | - | - |
| Maximum Operating Temperature | - | + 105 C | - |
| Minimum Operating Temperature | - | - 40 C | - |