The Meter,fluid Flow Indicating,ultr, cataloged under National Stock Number 6680-01-717-6691, 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 Kobold Instruments Inc. Government technical data includes 16 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6680-01-717-6691 |
| Primary Part Number | DUK-11-N5H-C3T0-A |
| Item Name | Meter,fluid Flow Indicating,ultr |
| FSC / FSG | 6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments |
| Manufacturer | Kobold Instruments Inc |
| Status | ACTIVE |
| Actuation Method | ULTRASONIC |
| Straightening Vane | NOT PROVIDED |
| Display Digit Quantity | 5 |
| Register Type | COUNTER |
| Power Source | EXTERNAL |
| Operating Pressure | 230.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM LBS |
| Inlet Connection Type | THREADED |
| Thread Direction | RIGHT-HAND INLET |
| Reset Feature | PROVIDED |
| Inlet Thread Series Designator | NPT |
| Frequency Rating | 1000.0 HERTZ NOMINAL |
| Installation Location | ANY ACCEPTABLE |
| Media for Which Designed | WATER |
| Inlet Connection Size | 0.75 |
| Measurement Unit | POUND |
| Installation Design | DIRECT MOUNT |
| 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 |
|---|---|
| DUK-11-N5H-C3T0-A PRIMARY | Kobold Instruments Inc (USA) |
NSN 6680-01-717-6691 is a Meter,fluid Flow Indicating,ultr, manufactured by Kobold Instruments Inc, classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.
NSN 6680-01-717-6691 has 1 manufacturer part number on file: DUK-11-N5H-C3T0-A (Kobold Instruments Inc).
Key specifications for DUK-11-N5H-C3T0-A: Actuation Method: ULTRASONIC; Straightening Vane: NOT PROVIDED; Display Digit Quantity: 5; Register Type: COUNTER. 16 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.