The Regulator,engine Generator, cataloged under National Stock Number 2920-00-448-4590, is classified within Federal Supply Class 2920 (Engine Electrical System Components, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Honeywell International, Inc Div Aerospace-Tucson. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2920-00-448-4590 |
| Primary Part Number | 1042-2A |
| Item Name | Regulator,engine Generator |
| FSC / FSG | 2920 / 29 — Engine Electrical System Components, Nonaircraft |
| Manufacturer | Honeywell International, Inc Div Aerospace-Tucson |
| Status | ACTIVE |
| Field Relay Unit | NOT INCLUDED |
| Terminal Quantity | 2 |
| Terminal Type | SCREW |
| Shock Mount | NOT PROVIDED |
| Output Current Rating in Amps | 100.0 NOMINAL |
| Radio Interference Shielding | PROVIDED |
| Voltage Regulator Unit Type | WIRE WOUND COIL STEP TYPE |
| Output Voltage Rating in Volts | 27.1 MINIMUM AND 28.5 MAXIMUM |
| System Voltage Rating | 28.0 |
| Voltage Regulator Unit Quantity | 1 |
| Current Regulator Unit Quantity | 1 |
| Terminal Encasement | NOT ENCASED |
| 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 |
|---|---|
| 1042-2A PRIMARY | Honeywell International, Inc Div Aerospace-Tucson (USA) |
| Reference | Meaning |
|---|---|
| 1042-2A | 3/9 Design control — primary reference U.S. Government activity |
NSN 2920-00-448-4590 is a Regulator,engine Generator, manufactured by Honeywell International, Inc Div Aerospace-Tucson, classified under FSC 2920, Engine Electrical System Components, Nonaircraft. Status: active.
NSN 2920-00-448-4590 has 1 manufacturer part number on file: 1042-2A (Honeywell International, Inc Div Aerospace-Tucson).
1 possible match (shared part number, not a government interchangeability claim): 2590-01-161-5144. Verify interchangeability with system specifications before substitution.
Key specifications for 1042-2A: Field Relay Unit: NOT INCLUDED; Terminal Quantity: 2; Terminal Type: SCREW; Shock Mount: NOT PROVIDED. 13 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.