The Indicator,electrical Tachometer, cataloged under National Stock Number 6680-01-013-4757, 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3 specifications, cited from the U.S. Government catalog. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 6680-01-013-4757 |
| Item Name | Indicator,electrical Tachometer |
| FSC / FSG | 6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments |
| Status | ACTIVE |
| Scale Range | +0.1 TO 12000.0 REVOLUTIONS PER MINUTE SINGLE INDICATOR SINGLE SCALE |
| Pointer Type | CLOCK-HAND SINGLE POINTER |
| Presentation Type | DIAL |
| 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 |
|---|---|
| 474034 | 5/9 Secondary reference U.S. Government activity |
| A-4631 | 5/9 Secondary reference Siemens Government Technologies, Inc. Dba Sgt Dresser-Rand Div Sgt Dresser-Rand |
| 474034 | 3/9 Design control — primary reference Siemens Government Technologies, Inc. Dba Sgt Dresser-Rand Div Sgt Dresser-Rand |
| A-4631 | 5/9 Secondary reference U.S. Government activity |
| A-4631 | C/1 Advisory reference — outside the item-of-supply concept Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions |
| 474034 | C/1 Advisory reference — outside the item-of-supply concept Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions |
NSN 6680-01-013-4757 is a Indicator,electrical 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): 5985-01-506-6521. Verify interchangeability with system specifications before substitution.
Key specifications for 6680-01-013-4757: Scale Range: +0.1 TO 12000.0 REVOLUTIONS PER MINUTE SINGLE INDICATOR SINGLE SCALE; Pointer Type: CLOCK-HAND SINGLE POINTER; Presentation Type: DIAL. 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.