The Ladder,extension, cataloged under National Stock Number 5440-01-479-8545, is classified within Federal Supply Class 5440 (Scaffolding Equipment and Concrete Forms) of the Prefabricated Structures and Scaffolding group. The manufacturer of record is Mcmaster-Carr Supply Co. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5440-01-479-8545 |
| Primary Part Number | 8269T28 |
| Item Name | Ladder,extension |
| FSC / FSG | 5440 / 54 — Scaffolding Equipment and Concrete Forms |
| Manufacturer | Mcmaster-Carr Supply Co |
| Status | ACTIVE |
| Length | 40.000 FEET NOMINAL FT |
| Surface Type | NON-SLIP |
| Section Quantity | 2 |
| Material | ALUMINUM AND RUBBER |
| Crosspiece Type | RUNG |
| Type/model Designation | FE2240 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 8269T28 PRIMARY | Mcmaster-Carr Supply Co (USA) |
| Reference | Meaning |
|---|---|
| FE2240 | 5/9 Secondary reference Mcmaster-Carr Supply Co |
NSN 5440-01-479-8545 is a Ladder,extension, manufactured by Mcmaster-Carr Supply Co, classified under FSC 5440, Scaffolding Equipment and Concrete Forms. Status: active.
NSN 5440-01-479-8545 has 1 manufacturer part number on file: 8269T28 (Mcmaster-Carr Supply Co).
Key specifications for 8269T28: Length: 40.000 FEET NOMINAL FT; Surface Type: NON-SLIP; Section Quantity: 2; Special Features: DESIGNED FOR 300 POUND WORKLOAD WHEN SET AT PROPER WORKING ANGLE LBS. 6 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.