The Tachometer,electronic, cataloged under National Stock Number 6680-01-474-4942, 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 Maxima Technologies & Systems Llc. Government technical data includes 7 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. 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 | 6680-01-474-4942 |
| Primary Part Number | 103684 |
| Item Name | Tachometer,electronic |
| FSC / FSG | 6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments |
| Manufacturer | Maxima Technologies & Systems Llc |
| Status | ACTIVE |
| Current Type | DC |
| Case Design | PANEL |
| Overall Diameter | 3.375 INCHES NOMINAL IN |
| Dial Illumination | PROVIDED |
| Voltage in Volts | 12.0 |
| Scale Measurement Unit | REVOLUTIONS PER MINUTE |
| Scale Measurement Range | +0.0 TO 4000.0 |
| 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 |
|---|---|
| 103684 PRIMARY | Maxima Technologies & Systems Llc (USA) |
NSN 6680-01-474-4942 is a Tachometer,electronic, manufactured by Maxima Technologies & Systems Llc, classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.
NSN 6680-01-474-4942 has 1 manufacturer part number on file: 103684 (Maxima Technologies & Systems Llc).
1 possible match (shared part number, not a government interchangeability claim): 6685-01-561-7931. Verify interchangeability with system specifications before substitution.
Key specifications for 103684: Current Type: DC; Case Design: PANEL; Overall Diameter: 3.375 INCHES NOMINAL IN; Dial Illumination: PROVIDED. 7 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.