The Generator,tachometer, cataloged under National Stock Number 6680-00-526-8136, 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. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 6680-00-526-8136 |
| Item Name | Generator,tachometer |
| FSC / FSG | 6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 4 UNTHREADED HOLE(S) |
| Electrical Resistance | 25.0 OHMS |
| Width Across Flats | UNABLE TO DECODE |
| Calibration Speed in RPM | 4200.0 |
| Mounting Method | PAD |
| Accuracy Range in Percent | -0.5 TO 0.5 |
| Calibration Voltage Output Type in Volts | 21.0 AC |
| Nominal Center to Center Distance Between Mounting Facilities Parallel to Length | 1.875 INCHES IN |
| Nominal Center to Center Distance Between Mounting Facilities Parallel to Width | 1.875 INCHES IN |
| Length of Shaft From Housing | UNABLE TO DECODE |
| Shaft End Characteristic | UNABLE TO DECODE |
| Terminal Type and Quantity | 1 RECEPTACLE |
| Rotor Speed Rating in RPM | 100.0 LOW FULL LOAD AND 4200.0 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 |
| Reference | Meaning |
|---|---|
| AN5544-2 | 4/1 Identification reference U.S. Government activity |
| MILG6027 | 4/1 Identification reference U.S. Government activity |
| 2CM9AAB | 3/9 Design control — primary reference General Electric Company |
NSN 6680-00-526-8136 is a Generator,tachometer, classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 6680-00-553-8893. Verify interchangeability with system specifications before substitution.
Key specifications for 6680-00-526-8136: Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S); Electrical Resistance: 25.0 OHMS; Width Across Flats: UNABLE TO DECODE; Overall Length: 5.594 INCHES IN. 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.