The Tachometer,electric,nonself-Gene, cataloged under National Stock Number 6680-00-844-3399, 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 3 specifications, cited from the U.S. Government catalog. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6680-00-844-3399 |
| Item Name | Tachometer,electric,nonself-Gene |
| FSC / FSG | 6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments |
| Status | ACTIVE |
| Scale Measurement Unit | REVOLUTIONS PER MINUTE |
| Scale Measurement Range | +0.0 TO 4000.0 |
| Installation Design | FIXED |
| 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 |
|---|---|
| 531CWM1 | 5/9 Secondary reference Stewart-Warner Corporation |
| 162165R91 | 5/9 Secondary reference Navistar International Corporation Dba Navistar |
| 162165R91 | 5/9 Secondary reference U.S. Government activity |
| 348091C1 | 5/9 Secondary reference Navistar International Corporation Dba Navistar |
| 348091C1 | 5/2 Secondary reference U.S. Government activity |
| 472419C91 | 3/2 Design control — primary reference U.S. Government activity |
NSN 6680-00-844-3399 is a Tachometer,electric,nonself-Gene, classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.
Key specifications for 6680-00-844-3399: Scale Measurement Unit: REVOLUTIONS PER MINUTE; Scale Measurement Range: +0.0 TO 4000.0; Installation Design: FIXED. 3 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.