The Propeller Shaft with Universal J, cataloged under National Stock Number 2520-00-901-9684, is classified within Federal Supply Class 2520 (Vehicular Power Transmission Components) of the Vehicular Equipment Components group. The manufacturer of record is Rockford Powertrain Inc Div Powertrain Rockford, Inc.. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 2520-00-901-9684 |
| Primary Part Number | 4-78176 |
| Item Name | Propeller Shaft with Universal J |
| FSC / FSG | 2520 / 25 — Vehicular Power Transmission Components |
| Manufacturer | Rockford Powertrain Inc Div Powertrain Rockford, Inc. |
| Status | ACTIVE |
| Shaft Diameter | 2.000 INCHES NOMINAL IN |
| End Component Type and Location | UNIVERSAL JOINT BOTH ENDS |
| 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 |
|---|---|
| 8712095-3 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 4-78176 PRIMARY | Rockford Powertrain Inc Div Powertrain Rockford, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 2A17550-3 | 5/9 Secondary reference Rockford Powertrain Inc Div Powertrain Rockford, Inc. |
NSN 2520-00-901-9684 is a Propeller Shaft with Universal J, manufactured by Rockford Powertrain Inc Div Powertrain Rockford, Inc., classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
NSN 2520-00-901-9684 has 2 manufacturer part numbers on file: 8712095-3 (U S Army Tank Automotive Command Amsta-Im-Mm), 4-78176 (Rockford Powertrain Inc Div Powertrain Rockford, Inc.).
Key specifications for 4-78176: Shaft Diameter: 2.000 INCHES NOMINAL IN; End Component Type and Location: UNIVERSAL JOINT BOTH ENDS. 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.