The Indicator,electrical Tachometer, cataloged under National Stock Number 6680-01-443-7549, 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 Murphy. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6680-01-443-7549 |
| Primary Part Number | MTH6-1-A |
| Item Name | Indicator,electrical Tachometer |
| FSC / FSG | 6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments |
| Manufacturer | Murphy |
| Status | ACTIVE |
| Presentation Type | DIGITAL DISPLAY |
| Display Type | LIQUID CRYSTAL |
| Material | PLASTIC POLYCARBONATE CASE |
| 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 |
|---|---|
| 000000047877 | Soframe (FRA) |
| MTH6-1-A PRIMARY | Murphy (USA) |
| MTH6-1-A | Enovation Controls Ltd (GBR) |
| Reference | Meaning |
|---|---|
| MTH6-1-A | 5/9 Secondary reference Enovation Controls Llc |
| MTHM-90-BB | 5/9 Secondary reference Enovation Controls Llc |
NSN 6680-01-443-7549 is a Indicator,electrical Tachometer, manufactured by Murphy, classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.
NSN 6680-01-443-7549 has 3 manufacturer part numbers on file: 000000047877 (Soframe), MTH6-1-A (Murphy), MTH6-1-A (Enovation Controls Ltd).
Key specifications for MTH6-1-A: Presentation Type: DIGITAL DISPLAY; Display Type: LIQUID CRYSTAL; End Item Identification: PANEL,ENGINE CONTROL, PART NUMBER 30-09-0367 ABOARD 49 FT BUSL COAST GUARD VESSELS FT; Material: PLASTIC POLYCARBONATE CASE. 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.