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| PartNumber | 1637-256-AL | 1637-440-AL | 1637 |
| Description | Standoffs & Spacers AL 2-56 1/2in 3/16in Round FEM Standoff | Standoffs & Spacers AL 4-40 1/2in 3/16in Round FEM Standoff | 3D PRINTING FILAMENT, CPE, 2.85MM, YEL, Diameter:2.85mm, Filament Colour:Yellow, Filament Material:CPE (Copolyester), Melting Temperature:-, Spool Width:-, Spool Hub Diameter:-, Product Range:- |
| Manufacturer | RAF Electronic Hardware | RAF Electronic Hardware | Keystone Electronics |
| Product Category | Standoffs & Spacers | Standoffs & Spacers | Board Spacers, Standoffs |
| RoHS | Y | Y | - |
| Product | Standoffs | Standoffs | - |
| Type | Round | Round | Hex Standoff |
| Thread Size | 2-56 | 4-40 | - |
| Length | 1/2 in | 1/2 in | - |
| Material | Aluminum | Aluminum | Brass |
| Outside Diameter | 3/16 in | 3/16 in | - |
| Gender | Female | Female | Female, Female |
| Brand | RAF Electronic Hardware | RAF Electronic Hardware | - |
| Product Type | Standoffs & Spacers | Standoffs & Spacers | - |
| Factory Pack Quantity | 100 | 100 | - |
| Subcategory | Hardware | Hardware | - |
| Part # Aliases | 1637-256-AL-0 | 1637-440-AL-0 | - |
| Unit Weight | 0.024000 oz | - | - |
| Color | - | - | - |
| Series | - | - | - |
| Features | - | - | - |
| Diameter Outside | - | - | 0.250" (6.35mm) 1/4" Hex |
| Plating | - | - | Zinc |
| Length Overall | - | - | 1.500" (38.10mm) 1 1/2" |
| Diameter Inside | - | - | - |
| Threaded Unthreaded | - | - | Threaded |
| Screw Thread Size | - | - | #6-32 |
| Between Board Height | - | - | 1.500" (38.10mm) 1 1/2" |