The Generator,tachometer, cataloged under National Stock Number 6680-00-779-4758, is classified within Federal Supply Class 6680 (Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 8 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 6680-00-779-4758 |
| Primary Part Number | 124916-001 |
| Item Name | Generator,tachometer |
| FSC / FSG | 6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 4 THREADED HOLE(S) |
| Shaft Diameter | UNABLE TO DECODE |
| Calibration Speed in RPM | 1000.0 |
| Connection Type and Voltage Rating in Volts | UNABLE TO DECODE |
| Calibration Voltage Output Type in Volts | 7.0 DC |
| Shaft End Characteristic | UNABLE TO DECODE |
| Terminal Type and Quantity | 2 SOLDER LUG |
| Rotor Speed Rating in RPM | 100.0 LOW FULL LOAD AND 5000.0 HIGH FULL LOAD |
| 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 |
|---|---|
| 124916-001 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| CR09608026 | 5/2 Secondary reference U.S. Government activity |
| 124916-001 | 3/9 Design control — primary reference Mcdonnell Douglas Corp Mcdonnell Douglas Aerospace Opns West |
NSN 6680-00-779-4758 is a Generator,tachometer, manufactured by The Boeing Company Div Defense, classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.
NSN 6680-00-779-4758 has 1 manufacturer part number on file: 124916-001 (The Boeing Company Div Defense).
1 possible match (shared part number, not a government interchangeability claim): 5360-01-406-6770. Verify interchangeability with system specifications before substitution.
Key specifications for 124916-001: Mounting Facility Type and Quantity: 4 THREADED HOLE(S); Shaft Diameter: UNABLE TO DECODE; Overall Length: 2.250 INCHES IN; Calibration Speed in RPM: 1000.0. 8 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.