The Tachometer,mechanical,fixed Moun, cataloged under National Stock Number 6680-01-044-7942, 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 5 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6680-01-044-7942 |
| Item Name | Tachometer,mechanical,fixed Moun |
| FSC / FSG | 6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments |
| Status | ACTIVE |
| Overall Diameter | 1.500 INCHES NOMINAL IN |
| Dial Illumination | PROVIDED |
| Drive Connection Type | ANY ACCEPTABLE |
| Shaft Rotation Direction | CLOCKWISE/COUNTERCLOCKWISE |
| Case Shape | ROUND |
| 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 |
|---|---|
| 0N173965 | 3/9 Design control — primary reference Sequential Electronics Systems, Inc |
| 0N173965 | 7/2 Vendor item drawing reference U.S. Government activity |
| KT152001B12IG3- | C/1 Advisory reference — outside the item-of-supply concept Renco Encoders Inc. |
| KT15-200-1B-12-I-G-3/8 | 5/9 Secondary reference Renco Encoders Inc. |
| KT152001B121G3- | C/1 Advisory reference — outside the item-of-supply concept Renco Encoders Inc. |
NSN 6680-01-044-7942 is a Tachometer,mechanical,fixed Moun, classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.
Key specifications for 6680-01-044-7942: Overall Diameter: 1.500 INCHES NOMINAL IN; Dial Illumination: PROVIDED; Drive Connection Type: ANY ACCEPTABLE; Shaft Rotation Direction: CLOCKWISE/COUNTERCLOCKWISE. 5 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.