The Tachometer,mechanical,fixed Moun, cataloged under National Stock Number 6680-01-560-6779, 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 Zodiac Milpro Uk Limited. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 6680-01-560-6779 |
| Primary Part Number | SK4407/74 |
| Item Name | Tachometer,mechanical,fixed Moun |
| FSC / FSG | 6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments |
| Manufacturer | Zodiac Milpro Uk Limited |
| Status | ACTIVE |
| Overall Diameter | 3.375 INCHES NOMINAL IN |
| Dial Quantity | 1 |
| Pointer Quantity | 1 |
| Pointer Movement Direction | CLOCKWISE AND COUNTERCLOCKWISE |
| Pointer Color | WHITE |
| Case Shape | ROUND |
| Scale Measurement Range | +0.0 TO 8000.0 |
| Dial Background Color | BLACK |
| Mounting Type | PANEL |
| Operating Range | +0.0 TO 8000.0 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 |
|---|---|
| SK4407/74 | Zodiac Milpro Uk Limited (GBR) |
| SK4407 ITEM 74 | Zodiac Milpro Uk Limited (GBR) |
| Reference | Meaning |
|---|---|
| 895283A06 | 3/2 Design control — primary reference U.S. Government activity |
| 79-859675 A1 | 5/9 Secondary reference U.S. Government activity |
NSN 6680-01-560-6779 is a Tachometer,mechanical,fixed Moun, manufactured by Zodiac Milpro Uk Limited, classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.
NSN 6680-01-560-6779 has 2 manufacturer part numbers on file: SK4407/74 (Zodiac Milpro Uk Limited), SK4407 ITEM 74 (Zodiac Milpro Uk Limited).
Key specifications for SK4407/74: Overall Diameter: 3.375 INCHES NOMINAL IN; Dial Quantity: 1; Pointer Quantity: 1; Pointer Movement Direction: CLOCKWISE AND COUNTERCLOCKWISE. 10 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.