The Transmission,mechanical,vehicula, cataloged under National Stock Number 2520-01-087-2971, 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. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 2520-01-087-2971 |
| Primary Part Number | 720W-ADDD |
| Item Name | Transmission,mechanical,vehicula |
| FSC / FSG | 2520 / 25 — Vehicular Power Transmission Components |
| Manufacturer | Parker Hannifin Corporation Div Chelsea Products Division |
| Status | ACTIVE |
| Features Provided | SEPARABLE POWER TAKEOFF UNIT MOUNTING FEATURE |
| 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 |
|---|---|
| 720W-ADDD PRIMARY | Parker Hannifin Corporation Div Chelsea Products Division (USA) |
| Reference | Meaning |
|---|---|
| 2538 | 5/9 Secondary reference Parker Hannifin Corporation Div Chelsea Products Division |
NSN 2520-01-087-2971 is a Transmission,mechanical,vehicula, manufactured by Parker Hannifin Corporation Div Chelsea Products Division, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
NSN 2520-01-087-2971 has 1 manufacturer part number on file: 720W-ADDD (Parker Hannifin Corporation Div Chelsea Products Division).
Key specifications for 720W-ADDD: Features Provided: SEPARABLE POWER TAKEOFF UNIT MOUNTING FEATURE. 1 specification is 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.