The Switch,liquid Level, cataloged under National Stock Number 2910-01-293-5227, is classified within Federal Supply Class 2910 (Engine Fuel System Components, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Setra Systems, Inc. Dba Gems Sensors. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2910-01-293-5227 |
| Primary Part Number | LS-43485 |
| Item Name | Switch,liquid Level |
| FSC / FSG | 2910 / 29 — Engine Fuel System Components, Nonaircraft |
| Manufacturer | Setra Systems, Inc. Dba Gems Sensors |
| Status | ACTIVE |
| Actuation Method | BUOYANCY |
| Overall Diameter | 4.500 INCHES NOMINAL IN |
| Current Rating at Maximum Rated Voltage | 20.0 AMPERES RESISTIVE LOAD |
| Mounting Method | FLANGE |
| Voltage Rating at Maximum Rated Current | 250.0 VOLTS |
| Mounting Position | HORIZONTAL |
| Float Effective Travel | 3.625 INCHES NOMINAL IN |
| Float Quantity | 1 |
| Liquid Type for Which Designed | VARIOUS FUELS |
| Operating Temp Rating | 30.0 FAHRENHEIT MINIMUM AND 300.0 FAHRENHEIT MAXIMUM DEGF |
| 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 |
|---|---|
| LS-43485 PRIMARY | Setra Systems, Inc. Dba Gems Sensors (USA) |
| Reference | Meaning |
|---|---|
| 43485 | C/1 Advisory reference — outside the item-of-supply concept Setra Systems, Inc. Dba Gems Sensors |
NSN 2910-01-293-5227 is a Switch,liquid Level, manufactured by Setra Systems, Inc. Dba Gems Sensors, classified under FSC 2910, Engine Fuel System Components, Nonaircraft. Status: active.
NSN 2910-01-293-5227 has 1 manufacturer part number on file: LS-43485 (Setra Systems, Inc. Dba Gems Sensors).
1 possible match (shared part number, not a government interchangeability claim): 5120-01-319-6603. Verify interchangeability with system specifications before substitution.
Key specifications for LS-43485: Actuation Method: BUOYANCY; Overall Diameter: 4.500 INCHES NOMINAL IN; Current Rating at Maximum Rated Voltage: 20.0 AMPERES RESISTIVE LOAD; Mounting Method: FLANGE. 10 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.