The Tachometer,mechanical,handheld, cataloged under National Stock Number 6680-01-335-9349, 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 Schulze Mfg., 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6680-01-335-9349 |
| Primary Part Number | CT2000 |
| Item Name | Tachometer,mechanical,handheld |
| FSC / FSG | 6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments |
| Manufacturer | Schulze Mfg., Inc. |
| Status | ACTIVE |
| Scale Smallest Increment | 1.0 FEET PER MINUTE AND 0.05 REVOLUTIONS PER MINUTE FT |
| Scale Measurement Unit | FEET PER MINUTE AND REVOLUTIONS PER SECOND AND REVOLUTIONS PER MINUTE |
| Accessory Components and Quantity | AA BATTERIES 4;CONCAVE TIP 1;CONVEX TIP 2;SURFACE SPEED WHEEL 1;RUBBER COUPLING 1;EXTENSION SHAFT 1 |
| Carrying Case | PROVIDED |
| Operating Range | +1.00 TO 25000.00 FEET PER MINUTE AND +0.25 TO 50000.00 REVOLUTIONS PER MINUTE FT |
| Measurement Unit | FEET PER MINUTE AND REVOLUTIONS PER SECOND AND REVOLUTIONS PER MINUTE |
| 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 |
|---|---|
| CT2000 PRIMARY | Schulze Mfg., Inc. (USA) |
| Reference | Meaning |
|---|---|
| CT2000 | 5/9 Secondary reference Jones Instrument Corp |
NSN 6680-01-335-9349 is a Tachometer,mechanical,handheld, manufactured by Schulze Mfg., Inc., classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.
NSN 6680-01-335-9349 has 1 manufacturer part number on file: CT2000 (Schulze Mfg., Inc.).
3 possible matches (shared part number, not a government interchangeability claim): 7310-01-377-8250, 6640-01-625-8432, 7010-01-677-3554. Verify interchangeability with system specifications before substitution.
Key specifications for CT2000: Overall Height: 7.000 INCHES NOMINAL IN; Scale Smallest Increment: 1.0 FEET PER MINUTE AND 0.05 REVOLUTIONS PER MINUTE FT; Overall Width: 2.625 INCHES NOMINAL IN; Scale Measurement Unit: FEET PER MINUTE AND REVOLUTIONS PER SECOND AND REVOLUTIONS PER MINUTE. 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.