The Rotometer, cataloged under National Stock Number 6680-01-482-6083, 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 Cold Llc. Government technical data includes 2 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6680-01-482-6083 |
| Primary Part Number | C971-026 |
| Item Name | Rotometer |
| FSC / FSG | 6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments |
| Manufacturer | Cold Llc |
| Status | ACTIVE |
| Pressure Rating | ERR-060 |
| Material | STEEL CORROSION RESISTING |
| 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 |
|---|---|
| C971-026 PRIMARY | Cold Llc (USA) |
| Reference | Meaning |
|---|---|
| 1510DHC5A1F | 5/9 Secondary reference Brooks Instrument Llc |
| D954-1001 ITEM M5 | D/9 Drawing number reference only U.S. Government activity |
| D971-026CP | 5/9 Secondary reference Naval Inventory Control Point Mechanicsburg |
| D954-1001 ITEM M12 | D/9 Drawing number reference only U.S. Government activity |
| 1510DHC5A1F | 5/9 Secondary reference U.S. Government activity |
| D971-026 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 6680-01-482-6083 is a Rotometer, manufactured by Cold Llc, classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.
NSN 6680-01-482-6083 has 1 manufacturer part number on file: C971-026 (Cold Llc).
Key specifications for C971-026: Overall Height: 5.750 INCHES NOMINAL IN; Overall Width: 1.250 INCHES NOMINAL IN; Pressure Rating: ERR-060; Special Features: ITEM INDICATES AND CONTROLS FLOW OF RARE GASES; TEMPERATURE RANGE: 32 DEGREES F TO 250 DEGREES F. 2 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.