The Universal Joint,vehicular, cataloged under National Stock Number 2520-01-239-7661, 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.. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2520-01-239-7661 |
| Primary Part Number | 2A-22231-1 |
| Item Name | Universal Joint,vehicular |
| FSC / FSG | 2520 / 25 — Vehicular Power Transmission Components |
| Manufacturer | Rockford Powertrain Inc Div Powertrain Rockford, Inc. |
| 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 |
|---|---|
| 2A-22231-1 PRIMARY | Rockford Powertrain Inc Div Powertrain Rockford, Inc. (USA) |
| 1266464H91 | Komatsu America Corp. (USA) |
| Reference | Meaning |
|---|---|
| 1266464H91 | 5/9 Secondary reference Komatsu American Intl Co |
| 654897C93 | 5/9 Secondary reference Komatsu American Intl Co |
NSN 2520-01-239-7661 is a Universal Joint,vehicular, manufactured by Rockford Powertrain Inc Div Powertrain Rockford, Inc., classified under FSC 2520, Vehicular Power Transmission Components. Status: active.
NSN 2520-01-239-7661 has 2 manufacturer part numbers on file: 2A-22231-1 (Rockford Powertrain Inc Div Powertrain Rockford, Inc.), 1266464H91 (Komatsu America Corp.).
Key specifications for 2A-22231-1: End Item Identification: DRESSER INDUSTRIES,MODEL 520B LOADER. 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.