The Indicator,electrical Tachometer, cataloged under National Stock Number 6620-01-182-9328, 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15 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6620-01-182-9328 |
| Item Name | Indicator,electrical Tachometer |
| FSC / FSG | 6620 / 66 — Engine Instruments |
| Status | ACTIVE |
| Individual Marking | FAN RPM % X 10 |
| Phase | SINGLE |
| Contact Type | PIN |
| Length | 9.100 INCHES NOMINAL IN |
| AC Voltage Rating | 230.0 VOLTS NOMINAL |
| Current Type | AC |
| Electrical Connection Quantity | 1 |
| Electrical Connection Identifying Number | MS27473T16A35S |
| Scale Range | +0.1 TO 110.0 PERCENT SINGLE INDICATOR SINGLE SCALE |
| Contact Quantity | 36 |
| Height | 6.360 INCHES NOMINAL IN |
| Frequency Rating | 400.0 HERTZ NOMINAL |
| Width | 1.750 INCHES NOMINAL IN |
| Material | ALUMINUM CASE |
| Dial Width | 1.438 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 8DJ219WCE1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 6620-01-182-9328 is a Indicator,electrical Tachometer, classified under FSC 6620, Engine Instruments. Status: active.
Key specifications for 6620-01-182-9328: Individual Marking: FAN RPM % X 10; Phase: SINGLE; Contact Type: PIN; Length: 9.100 INCHES NOMINAL IN. 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 6620-01-182-9328 has DEMIL Code D. 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.