The Tachometer,mechanical,fixed Moun, cataloged under National Stock Number 6680-00-538-0899, 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 Cnh Industrial America Llc Dba Cnh America. Government technical data includes 21 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6680-00-538-0899 |
| Primary Part Number | 1341318C1 |
| Item Name | Tachometer,mechanical,fixed Moun |
| FSC / FSG | 6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments |
| Manufacturer | Cnh Industrial America Llc Dba Cnh America |
| Status | ACTIVE |
| Scale Quantity | 1 |
| Major Graduation Color | WHITE |
| Overall Diameter | 3.570 INCHES NOMINAL IN |
| Dial Illumination | NOT PROVIDED |
| Drive Connection Type | SQUARE |
| Scale Smallest Increment | 100.0 REVOLUTIONS PER MINUTE |
| Dial Quantity | 1 |
| Totalizing Mechanism | PROVIDED |
| Scale Measurement Unit | REVOLUTIONS PER MINUTE |
| Pointer Quantity | 1 |
| Pointer Movement Direction | CLOCKWISE |
| Mounting Feature Type | FLUSH |
| Graduation Unit | 0.1 HOUR |
| Pointer Color | BLACK AND WHITE |
| Case Shape | ROUND |
| Scale Measurement Range | +0.0 TO 3000.0 |
| Ahead-Astern Semaphore | NOT PROVIDED |
| Dial Background Color | BLACK |
| Mounting Type | PANEL |
| Operating Range | +0.0 TO 3000.0 REVOLUTIONS PER MINUTE |
| Totalizing Mechanism Calibration | ENGINE HOURS |
| 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 |
|---|---|
| 1341318C1 PRIMARY | Cnh Industrial America Llc Dba Cnh America (USA) |
| Reference | Meaning |
|---|---|
| 551 | 5/9 Secondary reference Stewart-Warner Corporation |
| A39806 | 5/9 Secondary reference Cnh Industrial America Llc Dba Cnh America |
| 551AAW | 5/9 Secondary reference Stewart-Warner Corporation |
NSN 6680-00-538-0899 is a Tachometer,mechanical,fixed Moun, manufactured by Cnh Industrial America Llc Dba Cnh America, classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.
NSN 6680-00-538-0899 has 1 manufacturer part number on file: 1341318C1 (Cnh Industrial America Llc Dba Cnh America).
Key specifications for 1341318C1: Scale Quantity: 1; Major Graduation Color: WHITE; Overall Diameter: 3.570 INCHES NOMINAL IN; Dial Illumination: NOT PROVIDED. 21 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.