The Ladder,safety Step, cataloged under National Stock Number 5440-01-666-5243, is classified within Federal Supply Class 5440 (Scaffolding Equipment and Concrete Forms) of the Prefabricated Structures and Scaffolding group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5440-01-666-5243 |
| Item Name | Ladder,safety Step |
| FSC / FSG | 5440 / 54 — Scaffolding Equipment and Concrete Forms |
| Status | ACTIVE |
| Base Overall Length | 39.500 INCHES NOMINAL IN |
| Material | ALUMINUM |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| AP-20 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5440-01-666-5243 is a Ladder,safety Step, classified under FSC 5440, Scaffolding Equipment and Concrete Forms. Status: active.
Key specifications for 5440-01-666-5243: Overall Height: 20.562 INCHES NOMINAL IN; Overall Width: 12.000 INCHES NOMINAL IN; Base Overall Length: 39.500 INCHES NOMINAL IN; Special Features: 225.0 POUND LOAD CAPACITY LBS. 2 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.