The Indicator,electrical Tachometer, cataloged under National Stock Number 6620-00-588-6982, is classified within Federal Supply Class 6620 (Engine Instruments) of the Instruments and Laboratory Equipment group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 6620-00-588-6982 |
| Item Name | Indicator,electrical Tachometer |
| FSC / FSG | 6620 / 66 — Engine Instruments |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 4 UNTHREADED HOLE(S) |
| Contact Type | PIN |
| Current Type | AC |
| Electrical Connection Quantity | 2 |
| Mounting Stud Diameter | 0.1695 INCHES NOMINAL IN |
| Electrical Connection Identifying Number | PART NO. AN3102-14S-3P |
| Accuracy Rating | 100.0 REVOLUTIONS PER MINUTE SINGLE INDICATOR SINGLE SCALE |
| Scale Range | -0.1 TO 4500.0 REVOLUTIONS PER MINUTE SINGLE INDICATOR SINGLE SCALE |
| Contact Quantity | 3 |
| Features Provided | INTEGRAL SYNCHROSCOPE |
| Presentation Type | SYNCHRO MOTOR |
| Depth | 5.125 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 |
| Reference | Meaning |
|---|---|
| 2069U4-02 | 3/2 Design control — primary reference U.S. Government activity |
NSN 6620-00-588-6982 is a Indicator,electrical Tachometer, classified under FSC 6620, Engine Instruments. Status: active.
Key specifications for 6620-00-588-6982: Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S); Contact Type: PIN; Current Type: AC; Electrical Connection Quantity: 2. 12 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.