The Indicator,electrical Tachometer, cataloged under National Stock Number 6620-01-266-5545, is classified within Federal Supply Class 6620 (Engine Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Quantum-Dynamics Co. Dba Quantum-Dynamics Co Inc. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 6620-01-266-5545 |
| Primary Part Number | NCA-11-FCS/3C |
| Item Name | Indicator,electrical Tachometer |
| FSC / FSG | 6620 / 66 — Engine Instruments |
| Manufacturer | Quantum-Dynamics Co. Dba Quantum-Dynamics Co Inc |
| Status | ACTIVE |
| Length | 16.000 INCHES NOMINAL IN |
| Electrical Connection Identifying Number | MS3101E |
| Height | 14.500 INCHES NOMINAL IN |
| Width | 9.000 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 |
|---|---|
| NCA-11-FCS/3C PRIMARY | Quantum-Dynamics Co. Dba Quantum-Dynamics Co Inc (USA) |
| Reference | Meaning |
|---|---|
| NCA-11-FCS-3A | 5/9 Secondary reference Quantum-Dynamics Co. Dba Quantum-Dynamics Co Inc |
NSN 6620-01-266-5545 is a Indicator,electrical Tachometer, manufactured by Quantum-Dynamics Co. Dba Quantum-Dynamics Co Inc, classified under FSC 6620, Engine Instruments. Status: active.
NSN 6620-01-266-5545 has 1 manufacturer part number on file: NCA-11-FCS/3C (Quantum-Dynamics Co. Dba Quantum-Dynamics Co Inc).
Key specifications for NCA-11-FCS/3C: Length: 16.000 INCHES NOMINAL IN; Electrical Connection Identifying Number: MS3101E; Height: 14.500 INCHES NOMINAL IN; Width: 9.000 INCHES NOMINAL IN. 4 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.