The Regulator,engine Generator, cataloged under National Stock Number 2920-00-437-0754, is classified within Federal Supply Class 2920 (Engine Electrical System Components, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Wisconsin Motors, Llc. Government technical data includes 17 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 2920-00-437-0754 |
| Primary Part Number | YJ56 |
| Item Name | Regulator,engine Generator |
| FSC / FSG | 2920 / 29 — Engine Electrical System Components, Nonaircraft |
| Manufacturer | Wisconsin Motors, Llc |
| Status | ACTIVE |
| Field Relay Unit | NOT INCLUDED |
| Terminal Quantity | 4 |
| Terminal Type | CONNECTOR, RECEPTACLE W/INTERNAL CONTACTS |
| Distance Between Holes Along Length | 4.313 INCHES NOMINAL IN |
| Shock Mount | NOT PROVIDED |
| Conduit Connection Quantity | 1 |
| Radio Interference Shielding | NOT PROVIDED |
| Distance Between Holes Along Width | 1.875 INCHES NOMINAL IN |
| Mounting Style | FOUR HOLE RECTANGULAR |
| Voltage Regulator Unit Type | TRANSISTOR |
| Mounting Hole Diameter | 0.200 INCHES NOMINAL IN |
| System Voltage Rating | 12.0 |
| Voltage Regulator Unit Quantity | 1 |
| Terminal Encasement | ENCASED |
| Circuit Control Device Type | ACTUATING RELAY |
| System Ground Polarity | NEGATIVE |
| Reverse Current Overload Circuit Breaker | NOT INCLUDED |
| 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 |
|---|---|
| YJ56 PRIMARY | Wisconsin Motors, Llc (USA) |
| Reference | Meaning |
|---|---|
| YJ56 | 5/9 Secondary reference Eagle Machine Co Inc |
NSN 2920-00-437-0754 is a Regulator,engine Generator, manufactured by Wisconsin Motors, Llc, classified under FSC 2920, Engine Electrical System Components, Nonaircraft. Status: active.
NSN 2920-00-437-0754 has 1 manufacturer part number on file: YJ56 (Wisconsin Motors, Llc).
Key specifications for YJ56: Field Relay Unit: NOT INCLUDED; Terminal Quantity: 4; Terminal Type: CONNECTOR, RECEPTACLE W/INTERNAL CONTACTS; Distance Between Holes Along Length: 4.313 INCHES NOMINAL IN. 17 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.