The Ladder,vehicle Boarding, cataloged under National Stock Number 2540-01-155-3663, is classified within Federal Supply Class 2540 (Vehicular Furniture and Accessories) of the Vehicular Equipment Components group. The manufacturer of record is Oshkosh Defense Llc. Government technical data includes 5 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 2540-01-155-3663 |
| Primary Part Number | 5SK88 |
| Item Name | Ladder,vehicle Boarding |
| FSC / FSG | 2540 / 25 — Vehicular Furniture and Accessories |
| Manufacturer | Oshkosh Defense Llc |
| Status | ACTIVE |
| Crosspiece Length | 12.000 INCHES NOMINAL IN |
| Design Type | STRAIGHT |
| Safety Shoes | NOT INCLUDED |
| Wheel | NOT PROVIDED |
| Protective Pads | NOT 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 |
| Part Number | Manufacturer |
|---|---|
| 5SK88 | Oshkosh Defense Llc (USA) |
| Reference | Meaning |
|---|---|
| 2BD346 | 5/9 Secondary reference Oshkosh Corp |
| 45D012 | D/9 Drawing number reference only C Systems Llc Dba Craig Systems Dba Eastern Technologies |
| 5SK88 | 5/9 Secondary reference Oshkosh Corp |
| 45D012-P6 | 3/9 Design control — primary reference C Systems Llc Dba Craig Systems Dba Eastern Technologies |
| 45D012ITEM6 | 5/9 Secondary reference C Systems Llc Dba Craig Systems Dba Eastern Technologies |
NSN 2540-01-155-3663 is a Ladder,vehicle Boarding, manufactured by Oshkosh Defense Llc, classified under FSC 2540, Vehicular Furniture and Accessories. Status: active.
NSN 2540-01-155-3663 has 1 manufacturer part number on file: 5SK88 (Oshkosh Defense Llc).
Key specifications for 5SK88: Crosspiece Length: 12.000 INCHES NOMINAL IN; Design Type: STRAIGHT; Safety Shoes: NOT INCLUDED; Wheel: NOT PROVIDED. 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.