The Regulator,engine Generator, cataloged under National Stock Number 2920-01-294-4381, is classified within Federal Supply Class 2920 (Engine Electrical System Components, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Volvo Penta of the Americas Inc. Government technical data includes 4 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 2920-01-294-4381 |
| Primary Part Number | 858840-2 |
| Item Name | Regulator,engine Generator |
| FSC / FSG | 2920 / 29 — Engine Electrical System Components, Nonaircraft |
| Manufacturer | Volvo Penta of the Americas Inc |
| Status | ACTIVE |
| Terminal Type | BEARING |
| Voltage Regulator Unit Quantity | 1 |
| Circuit Control Device Type | ACTUATING RELAY |
| System Ground Polarity | NEGATIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 858840-2 PRIMARY | Volvo Penta of the Americas Inc (USA) |
| 840633-2 | Volvo Penta of the Americas Inc (USA) |
| Reference | Meaning |
|---|---|
| 840633 | 5/9 Secondary reference Volvo Penta of the Americas Inc |
| 858840 | C/1 Advisory reference — outside the item-of-supply concept Volvo Penta of the Americas Inc |
| 2920PL0879379 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 2920-01-294-4381 is a Regulator,engine Generator, manufactured by Volvo Penta of the Americas Inc, classified under FSC 2920, Engine Electrical System Components, Nonaircraft. Status: active.
NSN 2920-01-294-4381 has 2 manufacturer part numbers on file: 858840-2 (Volvo Penta of the Americas Inc), 840633-2 (Volvo Penta of the Americas Inc).
Key specifications for 858840-2: Terminal Type: BEARING; Voltage Regulator Unit Quantity: 1; Circuit Control Device Type: ACTUATING RELAY; System Ground Polarity: NEGATIVE. 4 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.