The Differential Gear Unit, cataloged under National Stock Number 2520-00-522-1878, is classified within Federal Supply Class 2520 (Vehicular Power Transmission Components) of the Vehicular Equipment Components group. The manufacturer of record is Dana Off Highway Products, Llc. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2520-00-522-1878 |
| Primary Part Number | 226437 |
| Item Name | Differential Gear Unit |
| FSC / FSG | 2520 / 25 — Vehicular Power Transmission Components |
| Manufacturer | Dana Off Highway 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 |
| Part Number | Manufacturer |
|---|---|
| 226437 PRIMARY | Dana Off Highway Products, Llc (USA) |
| Reference | Meaning |
|---|---|
| 226437 | 5/9 Secondary reference Clark Equipment Co |
NSN 2520-00-522-1878 is a Differential Gear Unit, manufactured by Dana Off Highway Products, Llc, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
NSN 2520-00-522-1878 has 1 manufacturer part number on file: 226437 (Dana Off Highway Products, Llc).
2 possible matches (shared part number, not a government interchangeability claim): 4810-01-055-3405, 5975-01-386-2875. Verify interchangeability with system specifications before substitution.
Key specifications for 226437: End Item Identification: ARMY MODEL MHE207. 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.