The Tachometer,electronic, cataloged under National Stock Number 6680-01-313-3450, 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 Kelly Manufacturing Company. Government technical data includes 12 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 6680-01-313-3450 |
| Primary Part Number | RCA41A-09 |
| Item Name | Tachometer,electronic |
| FSC / FSG | 6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments |
| Manufacturer | Kelly Manufacturing Company |
| Status | ACTIVE |
| Scale Quantity | 1 |
| Switching Capability | THREE POINTS |
| Current Type | AC |
| Case Design | PANEL |
| Overall Diameter | 2.380 INCHES NOMINAL IN |
| Dial Illumination | NOT PROVIDED |
| Scale Smallest Increment | 1.0 PERCENT |
| Scale Measurement Unit | PERCENT |
| Accessory Components and Quantity | 1 BEZEL;1 HERMETICALLY SEALED CONNECTOR,RECEPTACLE,ELECTRICAL P/N 10SL-3P |
| Unit Type | ELECTRICALLY OPERATED |
| Scale Measurement Range | +0.0 TO 110.0 AND +0.0 TO 10.0 |
| Dial Background Color | BLACK, DULL |
| 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 |
|---|---|
| RCA41A-09 PRIMARY | Kelly Manufacturing Company (USA) |
| Reference | Meaning |
|---|---|
| RCA41A-09 | 5/9 Secondary reference Allen R C Instruments Inc |
| 8446811 | 5/9 Secondary reference U.S. Government activity |
| RCA41-09 | 5/9 Secondary reference Allen R C Instruments Inc |
NSN 6680-01-313-3450 is a Tachometer,electronic, manufactured by Kelly Manufacturing Company, classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.
NSN 6680-01-313-3450 has 1 manufacturer part number on file: RCA41A-09 (Kelly Manufacturing Company).
Key specifications for RCA41A-09: Scale Quantity: 1; Overall Height: 1.750 INCHES NOMINAL IN; Switching Capability: THREE POINTS; Current Type: AC. 12 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.