The Generator,tachometer, cataloged under National Stock Number 6680-01-514-6653, 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. The manufacturer of record is Ontic Engineering and Manufacturing, Inc.. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6680-01-514-6653 |
| Primary Part Number | 758-9905000 |
| Item Name | Generator,tachometer |
| FSC / FSG | 6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments |
| Manufacturer | Ontic Engineering and Manufacturing, Inc. |
| Status | ACTIVE |
| Current Type | UNABLE TO DECODE |
| Special Test Features | MAXIMUM OPERATING TEMPERATURE: 250 DEGREES FAHRENHEIT |
| Criticality Code Justification | AGAV |
| Functional Description | INSULATION CLASS 105;ROTOR: ALNICO V, 8 POLES; STATOR: 8 POLES;BEARINGS: BALL;MINIMUM SPEED: 500RPM; MAXIMUM TOP SPEED: 5000RPM;STARTING TORQUE: 2.0-2.0 OZ INS;RUNNING TORQUE AT 1000RPM: 2.3 OZ INS;SHAFT DIAMETER: 3/16";SHAFT CONNECTION: DIRECT; SHAFT LENGTH: 0.47";10-32 STUDS;MOUNTING: SAE 7/8" SCREW;DUST PROOF ALUMINUM HOUSING OZ |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 758-9905000 PRIMARY | Ontic Engineering and Manufacturing, Inc. (USA) |
| 758-9905000 PRIMARY | Motor Magnetics, Inc. Dba Motor Magnetics Corp (USA) |
| Reference | Meaning |
|---|---|
| 8-758-9905000 | 5/1 Secondary reference Automatic Timing & Controls, Inc Dba Automatic Timing & Controls Co, Inc Div Automatic Timing and Controls, Inc |
| 758-9905000-25661 | 5/9 Secondary reference Automatic Timing & Controls, Inc Dba Automatic Timing & Controls Co, Inc Div Automatic Timing and Controls, Inc |
NSN 6680-01-514-6653 is a Generator,tachometer, manufactured by Ontic Engineering and Manufacturing, Inc., classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.
NSN 6680-01-514-6653 has 2 manufacturer part numbers on file: 758-9905000 (Ontic Engineering and Manufacturing, Inc.), 758-9905000 (Motor Magnetics, Inc. Dba Motor Magnetics Corp).
Key specifications for 758-9905000: Current Type: UNABLE TO DECODE; Overall Length: 4.22 INCHES IN; Special Test Features: MAXIMUM OPERATING TEMPERATURE: 250 DEGREES FAHRENHEIT; Criticality Code Justification: AGAV. 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.