The Tachometer,electronic, cataloged under National Stock Number 6680-01-141-8219, 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. The manufacturer of record is Dynalec Corporation. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 6680-01-141-8219 |
| Primary Part Number | K4R-3C |
| Item Name | Tachometer,electronic |
| FSC / FSG | 6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments |
| Manufacturer | Dynalec Corporation |
| Status | ACTIVE |
| Scale Measurement Unit | REVOLUTIONS PER MINUTE |
| Operating Range | +0.0 TO 12000.0 REVOLUTIONS PER MINUTE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| K4R-3C PRIMARY | Dynalec Corporation (USA) |
| Reference | Meaning |
|---|---|
| K4R-3C | 5/9 Secondary reference The Electric Tachometer Corp. |
| 706041 ITEM 6/TYP DB-14F | 5/9 Secondary reference Ge Aviation Systems Llc Dba Ge Aviation |
| 706041 | 5/9 Secondary reference Ge Aviation Systems Llc Dba Ge Aviation Systems Llc |
| 706041 ITEM 6 | 5/9 Secondary reference Ge Aviation Systems Llc Dba Ge Aviation Systems Llc |
| 706041 ITEM 6 | 5/9 Secondary reference Ge Aviation Systems Llc Dba Ge Aviation |
NSN 6680-01-141-8219 is a Tachometer,electronic, manufactured by Dynalec Corporation, classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.
NSN 6680-01-141-8219 has 1 manufacturer part number on file: K4R-3C (Dynalec Corporation).
1 possible match (shared part number, not a government interchangeability claim): 2540-01-290-0715. Verify interchangeability with system specifications before substitution.
Key specifications for K4R-3C: Scale Measurement Unit: REVOLUTIONS PER MINUTE; Operating Range: +0.0 TO 12000.0 REVOLUTIONS PER MINUTE. 2 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.