The Regulator,voltage, cataloged under National Stock Number 6110-00-669-6403, is classified within Federal Supply Class 6110 (Electrical Control Equipment) of the Electric Wire, Power, and Distribution Equipment group. The manufacturer of record is Honeywell International, Inc Div Aerospace-Tucson. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 6110-00-669-6403 |
| Primary Part Number | 1591-1C |
| Item Name | Regulator,voltage |
| FSC / FSG | 6110 / 61 — Electrical Control Equipment |
| Manufacturer | Honeywell International, Inc Div Aerospace-Tucson |
| Status | ACTIVE |
| Regulation Method | ELECTROMECHANICAL |
| Input Current Type | AC |
| Input Frequency Rating in Hertz | 800.0 NOMINAL |
| Compensation Provided | INDIVIDUAL DROOP |
| Power Rating | 1.2 KILOWATTS NOMINAL |
| Input Voltage Rating in Volts | 115.0 NOMINAL |
| Operating Temp Range | -55.0 TO 70.0 CELSIUS DEGC |
| Input Phase | SINGLE |
| Enclosure Feature | OPEN |
| Circuit Type | PARALLEL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 1591-1C PRIMARY | Honeywell International, Inc Div Aerospace-Tucson (USA) |
| Reference | Meaning |
|---|---|
| 1591-1C | 5/9 Secondary reference U.S. Government activity |
NSN 6110-00-669-6403 is a Regulator,voltage, manufactured by Honeywell International, Inc Div Aerospace-Tucson, classified under FSC 6110, Electrical Control Equipment. Status: active.
NSN 6110-00-669-6403 has 1 manufacturer part number on file: 1591-1C (Honeywell International, Inc Div Aerospace-Tucson).
Key specifications for 1591-1C: Overall Height: 4.1875 INCHES NOMINAL IN; Regulation Method: ELECTROMECHANICAL; Input Current Type: AC; Input Frequency Rating in Hertz: 800.0 NOMINAL. 10 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.