| Name: | SMC Large Steel Locking D |
| Category: | screw lock |
| Locking Type: | manual |
| Locks: | screw |
| Unlock Style: | gate stopped - unknown |
| Sleeve Rotation: | 990° (unlocked) | 1560° (maximum) |
| Shape: | D |
| Material: | steel - plated |
| Gate Material: | steel - stainless |
| Profile: | round |
| Nose: | notch & pin |
| Nose Guard: | none |
| Rivets: | flat spun |
| Gate Shield: | none |
| Weight: | 297.2 g |
| Dimensions: | Length: 124.40 mm Width: 72.96 mm Depth (basket end): 12.60 mm Depth (runner end): 12.71 mm Gate Opening: 31.0 mm Basket Size: 29 mm |
| Strength Ratings: |  46 kN |  16 kN |  11 kN |
| Other Markings: | Stamped: A501 (SMC oval logo, lined) MEETS NFPA 1983 (2017 ED.) MBS 40kN G 20JF  CLASSIFIED | (ratings) (SMC oval logo, lined) |
| MSRP: | (45.95) |
| Summary: | large symmetric NFPA G Steel D |
| Description & Commentary: | |
| MPN: | NFPA21001 |
| Manufacturer Color: | bright |