The Switch,liquid Level, cataloged under National Stock Number 2910-00-239-8513, 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 14 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 2910-00-239-8513 |
| Primary Part Number | 25100 |
| Item Name | Switch,liquid Level |
| FSC / FSG | 2910 / 29 — Engine Fuel System Components, Nonaircraft |
| Manufacturer | Setra Systems, Inc. Dba Gems Sensors |
| Status | ACTIVE |
| Relay | NOT INCLUDED |
| FSC Application Data | TANKS,FUEL,ENGINE |
| Power Cable Length | 12.000 INCHES NOMINAL IN |
| Overall Diameter | 1.880 INCHES NOMINAL IN |
| DC Voltage Rating | 24.0 VOLTS NOMINAL FIRST OPERATING POWER RQMT |
| Mounting Method | THREAD |
| Contact Arrangement | 3 SPST,NORMALLY CLOSED |
| Mounting Position | VERTICAL |
| Float Effective Travel | 0.440 INCHES MINIMUM AND 0.620 INCHES MAXIMUM IN |
| Float Quantity | 1 |
| Liquid Type for Which Designed | DIESEL OIL |
| Tank Insertion Length | 5.380 INCHES NOMINAL IN |
| Mounting Dimensions | 1/2-20 UNF THD CONNECTION |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 04271-0541 | Asrc Federal Facilities Logistics, Llc (USA) |
| 25100 PRIMARY | Setra Systems, Inc. Dba Gems Sensors (USA) |
| Reference | Meaning |
|---|---|
| 04271-0541 | 5/9 Secondary reference U.S. Government activity |
NSN 2910-00-239-8513 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 2910-00-239-8513 has 2 manufacturer part numbers on file: 04271-0541 (Asrc Federal Facilities Logistics, Llc), 25100 (Setra Systems, Inc. Dba Gems Sensors).
Key specifications for 25100: Relay: NOT INCLUDED; FSC Application Data: TANKS,FUEL,ENGINE; Power Cable Length: 12.000 INCHES NOMINAL IN; Overall Diameter: 1.880 INCHES NOMINAL IN. 14 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.