| PartNumber | 2521-FL | 2521-F | 2521-F-A |
| Description | Fiber Optic Connectors FIBRLOK SPLICE INSERT (2/PKG) | Fiber Optic Connectors 2521-F FUSION SPLICE INSERT 2-PACK | Fiber Optic Connectors 3MM SNGL FUSN SPLICE INSERT W/ ADH BACK |
| Manufacturer | 3M | - | 3M |
| Product Category | Fiber Optic Cables | - | Fiber Optic Cables |
| Color | Red | - | Red |
| Accessory Type | Splice Insert | - | Splice Insert |
| Series | 2178 | - | 2178 |
| Product | Accessories | - | Accessories |
| Type | Fibrlok Splice Insert | - | Single Fusion Splice Insert |
| Unit Weight | 6.400000 oz | - | 0.160000 oz |
| Features | Accommodates single ceramic rod 12 fiber mass fusion sleeves or double ceramic rod 4 to 6 fiber mass fusion sleeves | - | Adhesive Backed |
| Specifications | - | - | - |
| Mode | - | - | - |
| Part # Aliases | 05113836413 80610859268 | - | 05111526074 80611326325 |
| Port Type | - | - | - |