The Switch,liquid Level, cataloged under National Stock Number 6680-01-650-9659, 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 Civacon. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6680-01-650-9659 |
| Primary Part Number | 5310N-7 |
| Item Name | Switch,liquid Level |
| FSC / FSG | 6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments |
| Manufacturer | Civacon |
| Status | ACTIVE |
| Overall Diameter | 3.43 INCHES NOMINAL IN |
| Tank Insertion Length | 5.0 INCHES MINIMUM AND 7.0 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 5310N-7 PRIMARY | Civacon (USA) |
| Reference | Meaning |
|---|---|
| 1110-007B | 3/9 Design control — primary reference Civacon |
NSN 6680-01-650-9659 is a Switch,liquid Level, manufactured by Civacon, classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.
NSN 6680-01-650-9659 has 1 manufacturer part number on file: 5310N-7 (Civacon).
Key specifications for 5310N-7: Overall Diameter: 3.43 INCHES NOMINAL IN; Tank Insertion Length: 5.0 INCHES MINIMUM AND 7.0 INCHES MAXIMUM IN; Special Features: PRODUCE RANGE VISCOSITY OF LESS THAT 1000SSU, ELECTRICAL LEADS 18 GAUGE STRANDED WIRE 26INCHES LONG, DESCRIPTION OPTIC OVERFILL SENSOR 5-WIRE 2" NPT PARALLEL PORT HOUSONG 7 INCH, IN; Part Name Assigned by Controlling Agency: 5 WIRE OPTIC LEVEL SENSOR. 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.