| PartNumber | 64991-G37-4 | 64991-G37-4LF | 64991-G37-4RLF |
| Description | Headers & Wire Housings Header 74pos | Headers & Wire Housings Header 74pos | Headers & Wire Housings Header 74pos |
| Manufacturer | FCI / Amphenol | FCI / Amphenol | FCI / Amphenol |
| Product Category | Headers & Wire Housings | Headers & Wire Housings | Headers & Wire Housings |
| Product | Headers | Headers | Headers |
| Type | Shrouded | Shrouded | Shrouded |
| Number of Positions | 74 Position | 74 Position | 74 Position |
| Pitch | 2.54 mm | 2.54 mm | 2.54 mm |
| Number of Rows | 2 Row | 2 Row | 2 Row |
| 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 |
| Brand | Amphenol FCI | Amphenol FCI | Amphenol FCI |
| 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 | 64991G374 | 64991G374LF | 64991G374RLF |
| RoHS | - | Y | Y |