The Motor-Generator, cataloged under National Stock Number 6125-00-181-7809, is classified within Federal Supply Class 6125 (Converters, Electrical, Rotating) of the Electric Wire, Power, and Distribution Equipment group. The manufacturer of record is Honeywell International, Inc Div Aerospace-Tucson. Government technical data includes 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 6125-00-181-7809 |
| Primary Part Number | 778-4B |
| Item Name | Motor-Generator |
| FSC / FSG | 6125 / 61 — Converters, Electrical, Rotating |
| Manufacturer | Honeywell International, Inc Div Aerospace-Tucson |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 4 UNTHREADED HOLE(S) |
| Duty Cycle | CONTINUOUS |
| Phase | SINGLE OUTPUT |
| Frequency in Hertz | 400.0 OUTPUT |
| Current Type | DC INPUT |
| Mounting Method | FIXED BASE |
| Features Provided | HORIZONTAL MOUNTING POSITION |
| Maximum Operating Altitude Rating | 40000.0 FEET FT |
| Connection Type and Voltage Rating in Volts | 25.0 LINE TO NEUTRAL LOW OR 27.5 LINE TO NEUTRAL HIGH INPUT |
| Connection Type and Voltage Rating in Volts | 26.0 LINE TO LINE LOW OR 115.0 LINE TO LINE HIGH OUTPUT |
| Nominal Center to Center Distance Between Mounting Facilities Parallel to Length | 4.000 INCHES IN |
| Nominal Center to Center Distance Between Mounting Facilities Parallel to Width | 4.000 INCHES IN |
| Enclosure Feature | OPEN |
| Rotor Speed Rating in RPM | 4000.0 SINGLE FULL LOAD |
| Temp Rating | 40.0 AMBIENT CELSIUS |
| Inclosure Specification | COMMERCIAL |
| 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 |
|---|---|
| 778-4B PRIMARY | Honeywell International, Inc Div Aerospace-Tucson (USA) |
| Reference | Meaning |
|---|---|
| 778-4B | 3/9 Design control — primary reference U.S. Government activity |
NSN 6125-00-181-7809 is a Motor-Generator, manufactured by Honeywell International, Inc Div Aerospace-Tucson, classified under FSC 6125, Converters, Electrical, Rotating. Status: active.
NSN 6125-00-181-7809 has 1 manufacturer part number on file: 778-4B (Honeywell International, Inc Div Aerospace-Tucson).
Key specifications for 778-4B: Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S); Duty Cycle: CONTINUOUS; Phase: SINGLE OUTPUT; Frequency in Hertz: 400.0 OUTPUT. 16 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.