The Differential Gear Unit, cataloged under National Stock Number 2520-01-558-9325, is classified within Federal Supply Class 2520 (Vehicular Power Transmission Components) of the Vehicular Equipment Components group. The manufacturer of record is Dana Commercial Vehicle Products, Llc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 2520-01-558-9325 |
| Primary Part Number | 121681 |
| Item Name | Differential Gear Unit |
| FSC / FSG | 2520 / 25 — Vehicular Power Transmission Components |
| Manufacturer | Dana Commercial Vehicle Products, Llc |
| 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 |
NSN 2520-01-558-9325 is a Differential Gear Unit, manufactured by Dana Commercial Vehicle Products, Llc, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
NSN 2520-01-558-9325 has 2 manufacturer part numbers on file: 121681 (Dana Commercial Vehicle Products, Llc), 2MB809 (Oshkosh Defense Llc).
Key specifications for 121681: Part Name Assigned by Controlling Agency: DIFFERENTIAL GEAR UNIT; End Item Identification: 2320-01-528-6636; TRUCK TRACTOR. 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.