The Tachometer,electronic, cataloged under National Stock Number 6680-01-475-1253, 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 Dynapar Corp Div Specialty Product Technologies. Government technical data includes 9 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6680-01-475-1253 |
| Primary Part Number | R81200T322LD |
| Item Name | Tachometer,electronic |
| FSC / FSG | 6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments |
| Manufacturer | Dynapar Corp Div Specialty Product Technologies |
| Status | ACTIVE |
| Current Type | DC |
| Case Design | ANY ACCEPTABLE |
| Overall Diameter | 8.500 INCHES NOMINAL IN |
| Dial Illumination | NOT PROVIDED |
| Voltage in Volts | 15.0 |
| Scale Measurement Unit | REVOLUTIONS PER MINUTE |
| Unit Type | MAGNETIC |
| Scale Measurement Range | +0.0 TO 7000.0 |
| Operating Range | +0.0 TO 1200.0 PULSES PER SECOND |
| 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 |
|---|---|
| R81200T322LD PRIMARY | Dynapar Corp Div Specialty Product Technologies (USA) |
| Reference | Meaning |
|---|---|
| RIM8.5-1200-4.125-2-LD | 5/9 Secondary reference Danaher Controls Corp |
| RIM8.5-1200-4.125-2-LD | 5/9 Secondary reference Lake Shore Cryotronics, Inc. |
NSN 6680-01-475-1253 is a Tachometer,electronic, manufactured by Dynapar Corp Div Specialty Product Technologies, classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.
NSN 6680-01-475-1253 has 1 manufacturer part number on file: R81200T322LD (Dynapar Corp Div Specialty Product Technologies).
Key specifications for R81200T322LD: Current Type: DC; Case Design: ANY ACCEPTABLE; Overall Diameter: 8.500 INCHES NOMINAL IN; Dial Illumination: NOT PROVIDED. 9 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.