The Switch,liquid Level, cataloged under National Stock Number 6680-00-822-8906, 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. Government technical data includes 19 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6680-00-822-8906 |
| Item Name | Switch,liquid Level |
| FSC / FSG | 6680 / 66 — Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments |
| Status | ACTIVE |
| Relay | NOT INCLUDED |
| Actuation Method | BUOYANCY |
| Power Cable Length | 5.000 INCHES NOMINAL IN |
| Overall Diameter | 3.000 INCHES NOMINAL IN |
| Current Rating at Maximum Rated Voltage | 5.0 AMPERES RESISTIVE LOAD |
| DC Voltage Rating | 24.0 VOLTS NOMINAL SECOND OPERATING POWER RQMT |
| DC Voltage Rating | 18.0 VOLTS NOMINAL FIRST OPERATING POWER RQMT |
| DC Voltage Rating | 28.0 VOLTS NOMINAL THIRD OPERATING POWER RQMT |
| DC Voltage Rating | 30.0 VOLTS NOMINAL FOURTH OPERATING POWER RQMT |
| Mounting Method | FLANGE |
| Contact Arrangement | SPDT,NORMALLY OPEN |
| Mounting Position | HORIZONTAL |
| Float Effective Travel | 0.250 INCHES NOMINAL IN |
| Float Quantity | 1 |
| Liquid Type for Which Designed | LUBRICATING OIL |
| Tank Insertion Length | 3.312 INCHES MAXIMUM IN |
| Operating Temp Rating | -65.0 FAHRENHEIT MINIMUM AND 335.0 FAHRENHEIT MAXIMUM DEGF |
| Mounting Dimensions | MTD BY EIGHT 0.194 IN. DIA HOLES EQUALLY SPACED ON 2.406 IN. DIA BOLT CIRCLE AND ONE 0.187 IN. DIA HOLE LOCATED 25 DEG FROM 12 O CLOCK ON THE SAME BOLT CIRCLE IN |
| Electrical Connection Type | CABLE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 741268 | 3/2 Design control — primary reference U.S. Government activity |
NSN 6680-00-822-8906 is a Switch,liquid Level, classified under FSC 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. Status: active.
Key specifications for 6680-00-822-8906: Relay: NOT INCLUDED; Actuation Method: BUOYANCY; Power Cable Length: 5.000 INCHES NOMINAL IN; Overall Diameter: 3.000 INCHES NOMINAL IN. 19 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.