The Venturi Meter, cataloged under National Stock Number 6680-01-331-6977, 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 Hyspan Precision Products, Inc.. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Item Name | Venturi Meter |
| FSC / FSG | 6680 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments (FSG 66) |
| Manufacturers | Hyspan Precision Products, Inc. (CAGE 70510) |
| Parameter | Value |
|---|---|
| NSN | 6680-01-331-6977 |
| Primary Part Number | BR 12550-12-31 |
| Item Name | Venturi Meter |
| FSC / FSG | 6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments |
| Manufacturer | Hyspan Precision Products, 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 |
|---|---|
| BR 12550-12-31 PRIMARY | Hyspan Precision Products, Inc. (USA) |
| Reference | Meaning |
|---|---|
| BR 12550-12-31 | 3/9 Design control — primary reference Nelson-Dunn Inc |
NSN 6680-01-331-6977 is a Venturi Meter, manufactured by Hyspan Precision Products, Inc., classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.
NSN 6680-01-331-6977 has 1 manufacturer part number on file: BR 12550-12-31 (Hyspan Precision Products, 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.