| PartNumber | BLL1ASL20029XN | BLL1ASL20029XW | BLL1ASL20039XW |
| Description | Circular MIL Spec Backshells BAND LOCK EMI/RFI 90 SS20 ES02 WO-BND NI | Circular MIL Spec Backshells BAND LOCK EMI/RFI 90 SS20 ES02 WO-BND CAD | Circular MIL Spec Backshells BAND LOCK EMI/RFI 90 SS20 ES03 WO-BND CAD |
| Manufacturer | Amphenol | Amphenol | Amphenol |
| Product Category | Circular MIL Spec Backshells | Circular MIL Spec Backshells | Circular MIL Spec Backshells |
| RoHS | Y | - | - |
| MIL Type | MIL-DTL-38999 III, IV | MIL-DTL-38999 III, IV | MIL-DTL-38999 III, IV |
| Product | Band Lock Adapters | Band Lock Adapters | Band Lock Adapters |
| Shell Style | Banding | Banding | Banding |
| Shell Size | 20 | 20 | 20 |
| Shell Plating | Electroless Nickel | Cadmium, Olive Drab | Cadmium, Olive Drab |
| Shell Material | Aluminum Alloy | Aluminum Alloy | Aluminum Alloy |
| Series | AlumaLight | AlumaLight | AlumaLight |
| Gender | Plugs | Plugs | Plugs |
| Mounting Angle | Right Angle | Right Angle | Right Angle |
| Brand | Amphenol Pcd | Amphenol Pcd | Amphenol Pcd |
| Mating Style | Self Locking | Self Locking | Self Locking |
| Product Type | Circular MIL Spec Backshells | Circular MIL Spec Backshells | Circular MIL Spec Backshells |
| Subcategory | Circular Connectors | Circular Connectors | Circular Connectors |
| Tradename | AlumaLight | AlumaLight | AlumaLight |