| PartNumber | 64991-G45-4LF | 64991-G45-4R | 64991-G45-4RLF |
| Description | Headers & Wire Housings Header 90pos | Headers & Wire Housings Header 90pos | Headers & Wire Housings Header 90pos |
| Manufacturer | FCI / Amphenol | FCI / Amphenol | FCI / Amphenol |
| Product Category | Headers & Wire Housings | Headers & Wire Housings | Headers & Wire Housings |
| RoHS | Y | - | Y |
| Product | Headers | Headers | Headers |
| Type | Shrouded | Shrouded | Shrouded |
| Number of Positions | 90 Position | 90 Position | 90 Position |
| Pitch | 2.54 mm | 2.54 mm | 2.54 mm |
| Number of Rows | 2 Row | 2 Row | 2 Row |
| Mounting Style | - | - | - |
| Termination Style | Through Hole | Through Hole | Through Hole |
| Contact Gender | Pin (Male) | Pin (Male) | Pin (Male) |
| Contact Plating | Gold | Gold | Gold |
| Mating Post Length | 8.08 mm | 8.08 mm | 8.08 mm |
| Termination Post Length | 3.05 mm | 3.05 mm | 3.05 mm |
| Series | BergStik | BergStik | BergStik |
| Tradename | BergStik | BergStik | BergStik |
| Current Rating | 3 A | 3 A | 3 A |
| Housing Material | Thermoplastic | Thermoplastic | Thermoplastic |
| Voltage Rating | 1 kV | 1 kV | 1 kV |
| Brand | Amphenol FCI | Amphenol FCI | Amphenol FCI |
| Contact Material | Phosphor Bronze | Phosphor Bronze | Phosphor Bronze |
| Product Type | Headers & Wire Housings | Headers & Wire Housings | Headers & Wire Housings |
| Factory Pack Quantity | 100 | 100 | 100 |
| Subcategory | Headers & Wire Housings | Headers & Wire Housings | Headers & Wire Housings |
| Part # Aliases | 64991G454LF | 64991G454R | 64991G454RLF |