The Transmission,hydraulic,vehicular, cataloged under National Stock Number 2520-01-116-3304, is classified within Federal Supply Class 2520 (Vehicular Power Transmission Components) of the Vehicular Equipment Components group. The manufacturer of record is Harmonic Drive L.l.c.. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2520-01-116-3304 |
| Primary Part Number | HDC-5C-140-OCC |
| Item Name | Transmission,hydraulic,vehicular |
| FSC / FSG | 2520 / 25 — Vehicular Power Transmission Components |
| Manufacturer | Harmonic Drive L.l.c. |
| Status | ACTIVE |
| Design Type | PLANETARY GEAR W/INTEGRAL TORQUE CONVERTER-TRANSFER TRANSMISSION |
| Features Provided | INTEGRAL OIL COOLER |
| 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 |
|---|---|
| HDC-5C-140-OCC | Harmonic Drive L.l.c. (USA) |
| Reference | Meaning |
|---|---|
| SM-C-803342 | 3/2 Design control — primary reference U.S. Government activity |
NSN 2520-01-116-3304 is a Transmission,hydraulic,vehicular, manufactured by Harmonic Drive L.l.c., classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
NSN 2520-01-116-3304 has 1 manufacturer part number on file: HDC-5C-140-OCC (Harmonic Drive L.l.c.).
Key specifications for HDC-5C-140-OCC: Design Type: PLANETARY GEAR W/INTEGRAL TORQUE CONVERTER-TRANSFER TRANSMISSION; Features Provided: INTEGRAL OIL COOLER; End Item Identification: TRANSMISSION-ALLISON. 2 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.