The Yoke,universal Joint,vehicular, cataloged under National Stock Number 2520-00-421-3917, is classified within Federal Supply Class 2520 (Vehicular Power Transmission Components) of the Vehicular Equipment Components group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 6 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2520-00-421-3917 |
| Primary Part Number | 7066084 |
| Item Name | Yoke,universal Joint,vehicular |
| FSC / FSG | 2520 / 25 — Vehicular Power Transmission Components |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Fork Height | 4.500 INCHES NOMINAL IN |
| Shaft Spline Quantity | 10 |
| Hub End Thread Provision | UNTHREADED |
| Outside Diameter | 3.000 INCHES NOMINAL IN |
| Connection End Type | HUB |
| Outside Shape | ROUND |
| 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 |
|---|---|
| 7066084 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 2-63971 | Rockford Powertrain Inc Div Powertrain Rockford, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 2520004213917 | 5/9 Secondary reference E.c.a Etablissement Centrald'approvisionnement Des Forces Armee |
| 2520004213917 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 8994J | 5/9 Secondary reference Borg-Warner Corp |
NSN 2520-00-421-3917 is a Yoke,universal Joint,vehicular, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
NSN 2520-00-421-3917 has 2 manufacturer part numbers on file: 7066084 (U S Army Tank Automotive Command Amsta-Im-Mm), 2-63971 (Rockford Powertrain Inc Div Powertrain Rockford, Inc.).
Key specifications for 7066084: Fork Height: 4.500 INCHES NOMINAL IN; Shaft Spline Quantity: 10; Hub End Thread Provision: UNTHREADED; Outside Diameter: 3.000 INCHES NOMINAL IN. 6 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.