The Ladder,vehicle Boarding, cataloged under National Stock Number 2540-01-390-4459, is classified within Federal Supply Class 2540 (Vehicular Furniture and Accessories) of the Vehicular Equipment Components group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 2540-01-390-4459 |
| Primary Part Number | 12416401 |
| Item Name | Ladder,vehicle Boarding |
| FSC / FSG | 2540 / 25 — Vehicular Furniture and Accessories |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Design Type | COLLAPSIBLE |
| Crosspiece Type and Quantity | 7 STEP |
| Wheel | NOT PROVIDED |
| Attachment Hooks | INCLUDED |
| Crosspiece Tread | INCLUDED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
NSN 2540-01-390-4459 is a Ladder,vehicle Boarding, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 2540, Vehicular Furniture and Accessories. Status: active.
NSN 2540-01-390-4459 has 3 manufacturer part numbers on file: 12416401 (Bae Systems Tactical Vehicle Systems Lp Dba Data Systems International Inc), 12416401 (U S Army Tank Automotive Command Amsta-Im-Mm), 12416401 (Amz Alabama Inc.).
Key specifications for 12416401: Design Type: COLLAPSIBLE; Crosspiece Type and Quantity: 7 STEP; Wheel: NOT PROVIDED; Attachment Hooks: INCLUDED. 5 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.