| Name: | US AMF81 |
| Category: | non-locking |
| Shape: | oval |
| Material: | steel |
| Profile: | round |
| Nose: | notch & pin |
| Nose Guard: | none |
| Rivets: | dimpled: recessed |
| Gate Shield: | none |
| Weight: | 122.7 g |
| Dimensions: | Length: 101.42 mm Width: 51.22 mm Rope Bearing Depth: 9.48 mm Gate Opening: 18.06 mm |
| Other Markings: | Stamped: US | AMF81 |
| Summary: | US Government steel carabiner |
| Description & Commentary: |