The Tachometer,mechanical,handheld, cataloged under National Stock Number 6680-01-353-9776, 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 Herman H Sticht Company, Inc Dba Megohmer Vibrating Reed & Standco. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 6680-01-353-9776 |
| Primary Part Number | DH4M |
| Item Name | Tachometer,mechanical,handheld |
| FSC / FSG | 6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments |
| Manufacturer | Herman H Sticht Company, Inc Dba Megohmer Vibrating Reed & Standco |
| Status | ACTIVE |
| Scale Measurement Unit | REVOLUTIONS PER MINUTE |
| Accessory Components and Quantity | 2 CONE ADAPTERS,1 FUNNEL ADAPTER,1 FPM MEASURING WHEEL/6 IN.,3-1.5V/AA BATTERIES V |
| Scale Measurement Range | +1.0 TO 25000.0 |
| Carrying Case | PROVIDED |
| 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 |
|---|---|
| DH4M PRIMARY | Herman H Sticht Company, Inc Dba Megohmer Vibrating Reed & Standco (USA) |
| Reference | Meaning |
|---|---|
| DT-25 | 5/9 Secondary reference U.S. Government activity |
NSN 6680-01-353-9776 is a Tachometer,mechanical,handheld, manufactured by Herman H Sticht Company, Inc Dba Megohmer Vibrating Reed & Standco, classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.
NSN 6680-01-353-9776 has 1 manufacturer part number on file: DH4M (Herman H Sticht Company, Inc Dba Megohmer Vibrating Reed & Standco).
Key specifications for DH4M: Scale Measurement Unit: REVOLUTIONS PER MINUTE; Accessory Components and Quantity: 2 CONE ADAPTERS,1 FUNNEL ADAPTER,1 FPM MEASURING WHEEL/6 IN.,3-1.5V/AA BATTERIES V; Scale Measurement Range: +1.0 TO 25000.0; Carrying Case: PROVIDED. 4 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.