The Ladder,extension, cataloged under National Stock Number 5440-01-537-4073, is classified within Federal Supply Class 5440 (Scaffolding Equipment and Concrete Forms) of the Prefabricated Structures and Scaffolding group. The manufacturer of record is Lsc Industries Llc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5440-01-537-4073 |
| Primary Part Number | 25-93932-3 |
| Item Name | Ladder,extension |
| FSC / FSG | 5440 / 54 — Scaffolding Equipment and Concrete Forms |
| Manufacturer | Lsc Industries Llc |
| Status | ACTIVE |
| 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 |
|---|---|
| 25-93932-3 | Lsc Industries Llc (USA) |
| Reference | Meaning |
|---|---|
| 25-93932-1 | 5/9 Secondary reference U.S. Government activity |
| 25-93932-3 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5440-01-537-4073 is a Ladder,extension, manufactured by Lsc Industries Llc, classified under FSC 5440, Scaffolding Equipment and Concrete Forms. Status: active.
NSN 5440-01-537-4073 has 1 manufacturer part number on file: 25-93932-3 (Lsc Industries Llc).
Key specifications for 25-93932-3: Special Features: C/O 1 LADDER SECTION, 2 BUSHING, 4 STOP, 4 COVER PLATE, 2 FOOT BRACKET, 4 BACK PLATE STOP, MISC HARDWARE;NHA 250-93936;MFGR NAME, LOWER LADDER SECTION, AM SYSTEM FT; End Item Identification: P/N: 25-93936-3 NSN 5440-01-606-8680 THE HIGHER ASSEMBLIES INCLUDES PIECE PARTS NSN 5440-01-537-4071 P/N: 25-93930-3 NSN 5440-01-537-4073 P/N: 25-93932-3 NSN 5440- 01-537-4069 P/N: 25-93931-5. 0 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.