The Differential,driving Axle, cataloged under National Stock Number 2520-01-503-3578, is classified within Federal Supply Class 2520 (Vehicular Power Transmission Components) of the Vehicular Equipment Components group. The manufacturer of record is Jlg Industries, Inc.. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2520-01-503-3578 |
| Primary Part Number | 1321225 |
| Item Name | Differential,driving Axle |
| FSC / FSG | 2520 / 25 — Vehicular Power Transmission Components |
| Manufacturer | Jlg Industries, Inc. |
| 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 |
|---|---|
| 1321225 PRIMARY | Jlg Industries, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 1321225 | 5/9 Secondary reference Trak International |
| 4461371067 | 5/9 Secondary reference Zf Group North American Operations, Inc. Dba Zf Services North America Div Sales and Service |
NSN 2520-01-503-3578 is a Differential,driving Axle, manufactured by Jlg Industries, Inc., classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
NSN 2520-01-503-3578 has 1 manufacturer part number on file: 1321225 (Jlg Industries, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 5961-01-509-3899. Verify interchangeability with system specifications before substitution.
Key specifications for 1321225: End Item Identification: 3930014862151. 0 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.