The Indicator,electrical Tachometer, cataloged under National Stock Number 6680-00-663-4271, 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. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6680-00-663-4271 |
| Item Name | Indicator,electrical Tachometer |
| FSC / FSG | 6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 4 UNTHREADED HOLE(S)4 UNTHREADED HOLE(S) |
| Contact Type | PINPIN |
| Scale Marking | MAJOR GRADUATION AND MAJOR GRADUATION AND MINOR GRADUATIONMINOR GRADUATION |
| Current Type | ACAC |
| Electrical Connection Quantity | 11 |
| Mounting Stud Diameter | 0.170 INCHES NOMINAL0.170 INCHES NOMINAL IN |
| Electrical Connection Identifying Number | GS02-10SL-3PGS02-10SL-3P |
| Scale Marking Transparency | LUMINOUSLUMINOUS |
| Contact Quantity | 33 |
| Presentation Type | SYNCHRO MOTORSYNCHRO MOTOR |
| Height | 2.750 INCHES NOMINAL2.750 INCHES NOMINAL IN |
| Depth | 4.922 INCHES NOMINAL4.922 INCHES NOMINAL IN |
| Width | 2.750 INCHES NOMINAL2.750 INCHES NOMINAL IN |
| Pointer Finish | LUMINOUS SINGLE POINTERLUMINOUS SINGLE POINTER |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 8DJ43AAM14 | 5/9 Secondary reference General Electric Company |
| MILI5573 | 4/1 Identification reference U.S. Government activity |
| 8DJ43AAMI4 | 3/9 Design control — primary reference General Electric Company |
NSN 6680-00-663-4271 is a Indicator,electrical Tachometer, classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.
Key specifications for 6680-00-663-4271: Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S)4 UNTHREADED HOLE(S); Contact Type: PINPIN; Scale Marking: MAJOR GRADUATION AND MAJOR GRADUATION AND MINOR GRADUATIONMINOR GRADUATION; Current Type: ACAC. 14 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 6680-00-663-4271 has DEMIL Code Q. 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.