The Generator,tachometer, cataloged under National Stock Number 6680-00-487-4290, 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 8 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6680-00-487-4290 |
| Item Name | Generator,tachometer |
| FSC / FSG | 6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments |
| Status | ACTIVE |
| Width Across Flats | UNABLE TO DECODE |
| Nominal Center to Center Distance Between Mounting Facilities Parallel to Height | 1.875 INCHES IN |
| Calibration Speed in RPM | 1250.0 |
| Mounting Method | PAD |
| Flatted Portion Length | UNABLE TO DECODE |
| Calibration Voltage Output Type in Volts | 21.0 AC |
| Nominal Center to Center Distance Between Mounting Facilities Parallel to Width | 1.875 INCHES IN |
| Shaft End Characteristic | UNABLE TO DECODE |
| 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 |
|---|---|
| 2CM5BAL | 5/9 Secondary reference General Electric Company |
| 2CM5BAL | 3/2 Design control — primary reference U.S. Government activity |
NSN 6680-00-487-4290 is a Generator,tachometer, classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.
Key specifications for 6680-00-487-4290: Width Across Flats: UNABLE TO DECODE; Overall Length: 5.125 INCHES IN; Nominal Center to Center Distance Between Mounting Facilities Parallel to Height: 1.875 INCHES IN; Calibration Speed in RPM: 1250.0. 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.