The Generator,tachometer, cataloged under National Stock Number 6680-00-490-9929, 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 Scott Fetzer Company, the Dba Meriam Process Technologies Div Meriam Instrument. Government technical data includes 11 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6680-00-490-9929 |
| Primary Part Number | 2020-120-2 |
| Item Name | Generator,tachometer |
| FSC / FSG | 6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments |
| Manufacturer | Scott Fetzer Company, the Dba Meriam Process Technologies Div Meriam Instrument |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 4 UNTHREADED HOLE(S) |
| Shaft Diameter | UNABLE TO DECODE |
| Shaft Rotation Direction | UNABLE TO DECODE |
| Features Provided | HORIZONTAL MOUNTING POSITION AND VERTICAL MOUNTING POSITION |
| Nominal Center to Center Distance Between Mounting Facilities Parallel to Length | 3.125 INCHES IN |
| Nominal Center to Center Distance Between Mounting Facilities Parallel to Width | 4.000 INCHES IN |
| Length of Shaft From Housing | UNABLE TO DECODE |
| Shaft End Characteristic | UNABLE TO DECODE |
| Excitor Type | SELF-EXCITED |
| Terminal Type and Quantity | 3 WIRE LEAD |
| Rotor Speed Rating in RPM | 3500.0 SINGLE FULL LOAD |
| 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 |
|---|---|
| 202 | Scott Fetzer Company, the Dba Meriam Process Technologies Div Meriam Instrument (USA) |
| 2020-120-2 PRIMARY | Scott Fetzer Company, the Dba Meriam Process Technologies Div Meriam Instrument (USA) |
NSN 6680-00-490-9929 is a Generator,tachometer, manufactured by Scott Fetzer Company, the Dba Meriam Process Technologies Div Meriam Instrument, classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.
NSN 6680-00-490-9929 has 2 manufacturer part numbers on file: 202 (Scott Fetzer Company, the Dba Meriam Process Technologies Div Meriam Instrument), 2020-120-2 (Scott Fetzer Company, the Dba Meriam Process Technologies Div Meriam Instrument).
Key specifications for 2020-120-2: Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S); Shaft Diameter: UNABLE TO DECODE; Overall Length: 8.125 INCHES IN; Shaft Rotation Direction: UNABLE TO DECODE. 11 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.