The Ladder,vehicle Boarding, cataloged under National Stock Number 2540-01-604-2206, is classified within Federal Supply Class 2540 (Vehicular Furniture and Accessories) of the Vehicular Equipment Components group. The manufacturer of record is Southco, Inc. Dba Southco Counterbalance Division - Pa Div Southco Counterbalance Division - Pa. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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. Unit of issue: EA.
| Item Name | Ladder,vehicle Boarding |
| FSC / FSG | 2540 — Vehicular Furniture and Accessories (FSG 25) |
| Manufacturers | Southco, Inc. Dba Southco Counterbalance Division - Pa Div Southco Counterbalance Division - Pa (CAGE 4WWH5); U S Army Tank Automotive Command Amsta-Im-Mm (CAGE 19207) |
| Parameter | Value |
|---|---|
| NSN | 2540-01-604-2206 |
| Primary Part Number | CB-90-BR4281 |
| Item Name | Ladder,vehicle Boarding |
| FSC / FSG | 2540 / 25 — Vehicular Furniture and Accessories |
| Manufacturer | Southco, Inc. Dba Southco Counterbalance Division - Pa Div Southco Counterbalance Division - Pa |
| Status | ACTIVE |
| 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 |
| Part Number | Manufacturer |
|---|---|
| CB-90-BR4281 PRIMARY | Southco, Inc. Dba Southco Counterbalance Division - Pa Div Southco Counterbalance Division - Pa (USA) |
| 12539685 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| BR4281 | 5/9 Secondary reference Southco, Inc. Dba Southco Counterbalance Division - Pa Div Southco Counterbalance Division - Pa |
NSN 2540-01-604-2206 is a Ladder,vehicle Boarding, manufactured by Southco, Inc. Dba Southco Counterbalance Division - Pa Div Southco Counterbalance Division - Pa, classified under FSC 2540, Vehicular Furniture and Accessories. Status: active.
NSN 2540-01-604-2206 has 2 manufacturer part numbers on file: CB-90-BR4281 (Southco, Inc. Dba Southco Counterbalance Division - Pa Div Southco Counterbalance Division - Pa), 12539685 (U S Army Tank Automotive Command Amsta-Im-Mm).
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.