The Indicator,electrical Tachometer, cataloged under National Stock Number 6680-01-019-3023, 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 Prestolite Electric Inc Defense Products Div. Government technical data includes 11 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6680-01-019-3023 |
| Primary Part Number | 104-520-A |
| Item Name | Indicator,electrical Tachometer |
| FSC / FSG | 6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments |
| Manufacturer | Prestolite Electric Inc Defense Products Div |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 2 PANEL |
| Current Type | DC |
| Electrical Connection Quantity | 2 |
| Mounting Stud Diameter | 0.190 INCHES NOMINAL IN |
| Accuracy Rating | 100.0 REVOLUTIONS PER MINUTE SINGLE INDICATOR SINGLE SCALE |
| Pointer Type | CLOCK-HAND SINGLE POINTER |
| Presentation Type | ELECTRON TUBE |
| Color | WHITE POINTER OVERALL |
| Color | WHITE BACKGROUND OVERALL |
| Mounting Stud Length | 0.500 INCHES NOMINAL IN |
| Depth | 2.660 INCHES NOMINAL IN |
| 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 |
|---|---|
| 104-520-A PRIMARY | Prestolite Electric Inc Defense Products Div (USA) |
| Reference | Meaning |
|---|---|
| 12AT03 | 5/9 Secondary reference Motorola Automotive Electronics |
| 1026-30104 PIECE 8 | 5/9 Secondary reference Jbf Scientific Corp |
NSN 6680-01-019-3023 is a Indicator,electrical Tachometer, manufactured by Prestolite Electric Inc Defense Products Div, classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.
NSN 6680-01-019-3023 has 1 manufacturer part number on file: 104-520-A (Prestolite Electric Inc Defense Products Div).
Key specifications for 104-520-A: Mounting Facility Type and Quantity: 2 PANEL; Current Type: DC; Electrical Connection Quantity: 2; Mounting Stud Diameter: 0.190 INCHES NOMINAL IN. 11 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.