The Tachometer,mechanical,fixed Moun, cataloged under National Stock Number 6680-01-567-1091, 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 John Deere Construction & Forestry Company. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 6680-01-567-1091 |
| Primary Part Number | RE521040 |
| Item Name | Tachometer,mechanical,fixed Moun |
| FSC / FSG | 6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments |
| Manufacturer | John Deere Construction & Forestry Company |
| Status | ACTIVE |
| 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 |
|---|---|
| RE521040 PRIMARY | John Deere Construction & Forestry Company (USA) |
| Reference | Meaning |
|---|---|
| RE521040 | 3/9 Design control — primary reference John Deere Construction & Forestry Company Div Direct Governmental Sales |
NSN 6680-01-567-1091 is a Tachometer,mechanical,fixed Moun, manufactured by John Deere Construction & Forestry Company, classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.
NSN 6680-01-567-1091 has 1 manufacturer part number on file: RE521040 (John Deere Construction & Forestry Company).
Key specifications for RE521040: Special Features: NEXT HIGHER ASSEMBLY WHEELHOUSE INSTRUMENT PANEL, MAIN CONSOLE; Part Name Assigned by Controlling Agency: TACHOMETER; End Item Identification: MARINE ENGINE DCP46462. 0 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.