The Tachometer,electronic, cataloged under National Stock Number 6680-01-424-9658, 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 Instrument Sales and Service Inc.. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 6680-01-424-9658 |
| Primary Part Number | R8585M |
| Item Name | Tachometer,electronic |
| FSC / FSG | 6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments |
| Manufacturer | Instrument Sales and Service Inc. |
| Status | ACTIVE |
| Scale Quantity | 1 |
| Overall Diameter | 3.375 INCHES NOMINAL IN |
| Scale Measurement Unit | REVOLUTIONS PER MINUTE |
| Dial Background Color | BLACK |
| Operating Range | +0.0 TO 4000.0 REVOLUTIONS PER MINUTE |
| Numeral Color | WHITE |
| 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 |
|---|---|
| R8585M PRIMARY | Instrument Sales and Service Inc. (USA) |
| Reference | Meaning |
|---|---|
| R8585M | 5/9 Secondary reference Chen, Xing Dba Delta-T Company |
NSN 6680-01-424-9658 is a Tachometer,electronic, manufactured by Instrument Sales and Service Inc., classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.
NSN 6680-01-424-9658 has 1 manufacturer part number on file: R8585M (Instrument Sales and Service Inc.).
Key specifications for R8585M: Scale Quantity: 1; Overall Diameter: 3.375 INCHES NOMINAL IN; Scale Measurement Unit: REVOLUTIONS PER MINUTE; Special Features: NO HOURMETER;PROGRAMMABLE.. 6 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.