The Adapter,tachometer, cataloged under National Stock Number 6680-01-196-7570, 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 Clark Brothers Instrument Co. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 6680-01-196-7570 |
| Primary Part Number | 8870F 0.5000 |
| Item Name | Adapter,tachometer |
| FSC / FSG | 6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments |
| Manufacturer | Clark Brothers Instrument Co |
| Status | ACTIVE |
| General Characteristics Item Description | W/KEY |
| 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 |
|---|---|
| 8870F 0.5000 PRIMARY | Clark Brothers Instrument Co (USA) |
| Reference | Meaning |
|---|---|
| ST20R.500 | 5/9 Secondary reference Clark Brothers Instrument Co |
| 777D.5000 | 5/2 Secondary reference U.S. Government activity |
| ACC-30B-06-PNT | C/1 Advisory reference — outside the item-of-supply concept Ambac International Corporation Div Ambac International |
NSN 6680-01-196-7570 is a Adapter,tachometer, manufactured by Clark Brothers Instrument Co, classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.
NSN 6680-01-196-7570 has 1 manufacturer part number on file: 8870F 0.5000 (Clark Brothers Instrument Co).
Key specifications for 8870F 0.5000: General Characteristics Item Description: W/KEY. 1 specification is 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.