The Venturi Meter, cataloged under National Stock Number 6680-01-203-5979, 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 Down East, Inc.. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Item Name | Venturi Meter |
| FSC / FSG | 6680 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments (FSG 66) |
| Manufacturers | Down East, Inc. (CAGE 55650); Bishop Enterprises, Inc. (CAGE 6Y882) |
| Parameter | Value |
|---|---|
| NSN | 6680-01-203-5979 |
| Primary Part Number | 2621-826-01 ASSY 14 |
| Item Name | Venturi Meter |
| FSC / FSG | 6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments |
| Manufacturer | Down East, Inc. |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 2621-826-01 ASSY 14 PRIMARY | Down East, Inc. (USA) |
| 2621-826-01 ASSY 14 | Bishop Enterprises, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 2621-826-01SHEET14 | 5/9 Secondary reference U.S. Government activity |
| 2621-826-01SHEET14 | 5/9 Secondary reference Down East, Inc. |
| 2621-826-01 ASSY 14 | 5/2 Secondary reference U.S. Government activity |
NSN 6680-01-203-5979 is a Venturi Meter, manufactured by Down East, Inc., classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.
NSN 6680-01-203-5979 has 2 manufacturer part numbers on file: 2621-826-01 ASSY 14 (Down East, Inc.), 2621-826-01 ASSY 14 (Bishop Enterprises, Inc.).
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.