The Indicator,electrical Tachometer, cataloged under National Stock Number 6620-01-319-9804, is classified within Federal Supply Class 6620 (Engine Instruments) of the Instruments and Laboratory Equipment group. Government technical data includes 15 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6620-01-319-9804 |
| Item Name | Indicator,electrical Tachometer |
| FSC / FSG | 6620 / 66 — Engine Instruments |
| Status | ACTIVE |
| Scale Marking | LINED INCREMENTS AND NUMERALS |
| Length | 6.930 INCHES NOMINAL IN |
| AC Voltage Rating | 5.0 VOLTS NOMINAL |
| Current Type | AC/DC |
| Display Digit Quantity | 10 |
| Electrical Connection Quantity | 1 |
| DC Voltage Rating | 28.0 VOLTS NOMINAL |
| Electrical Connection Identifying Number | 95M51J1 |
| Scale Range | +10.0 TO 110.0 TEMPERATURE SINGLE INDICATOR SINGLE SCALE |
| Scale Marking Transparency | LUMINOUS |
| Display Type | LIGHT EMITTING DIODE (L.E.D.). |
| Height | 4.400 INCHES NOMINAL IN |
| Frequency Rating | 400.0 HERTZ NOMINAL |
| Width | 2.400 INCHES NOMINAL IN |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY THE SOURCE CONTROL DWG NO. |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 123SCAV5851-1 | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 100-601341-000 | 3/3 Design control — primary reference U.S. Government activity |
NSN 6620-01-319-9804 is a Indicator,electrical Tachometer, classified under FSC 6620, Engine Instruments. Status: active.
NSN 6620-01-319-9804 has 1 manufacturer part number on file: 123SCAV5851-1 (Northrop Grumman Systems Corporation).
Key specifications for 6620-01-319-9804: Scale Marking: LINED INCREMENTS AND NUMERALS; Length: 6.930 INCHES NOMINAL IN; AC Voltage Rating: 5.0 VOLTS NOMINAL; Current Type: AC/DC. 15 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.
NSN 6620-01-319-9804 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.