The Drive Unit,hydraulic, cataloged under National Stock Number 2520-01-511-9900, is classified within Federal Supply Class 2520 (Vehicular Power Transmission Components) of the Vehicular Equipment Components group. The manufacturer of record is Parker Hannifin Corporation Div Chelsea Products Division. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Drive Unit,hydraulic |
| FSC / FSG | 2520 — Vehicular Power Transmission Components (FSG 25) |
| Manufacturers | Oshkosh Defense Llc (CAGE 75Q65); Parker Hannifin Corporation Div Chelsea Products Division (CAGE 11757) |
| Parameter | Value |
|---|---|
| NSN | 2520-01-511-9900 |
| Primary Part Number | 281GGF JP-D8RK |
| Item Name | Drive Unit,hydraulic |
| FSC / FSG | 2520 / 25 — Vehicular Power Transmission Components |
| Manufacturer | Parker Hannifin Corporation Div Chelsea Products Division |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 3376315 | Oshkosh Defense Llc (USA) |
| 281GGF JP-D8RK PRIMARY | Parker Hannifin Corporation Div Chelsea Products Division (USA) |
| 280GGFJP-D8RK PRIMARY | Parker Hannifin Corporation Div Chelsea Products Division (USA) |
| Reference | Meaning |
|---|---|
| 278-05 | 5/9 Secondary reference Parker Hannifin Corporation Div Chelsea Products Division |
| 3376315 | 7/9 Vendor item drawing reference Oshkosh Corp |
| 278XGFJP-D3XK | 5/9 Secondary reference Parker Hannifin Corporation Div Chelsea Products Division |
NSN 2520-01-511-9900 is a Drive Unit,hydraulic, manufactured by Parker Hannifin Corporation Div Chelsea Products Division, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
NSN 2520-01-511-9900 has 3 manufacturer part numbers on file: 3376315 (Oshkosh Defense Llc), 281GGF JP-D8RK (Parker Hannifin Corporation Div Chelsea Products Division), 280GGFJP-D8RK (Parker Hannifin Corporation Div Chelsea Products Division).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-547-4315. Verify interchangeability with system specifications before substitution.
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.