The Switch,liquid Level, cataloged under National Stock Number 5930-00-901-3704, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Setra Systems, Inc. Dba Gems Sensors. Government technical data includes 17 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5930-00-901-3704 |
| Primary Part Number | LS18350-1 |
| Item Name | Switch,liquid Level |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Setra Systems, Inc. Dba Gems Sensors |
| Status | ACTIVE |
| Relay | NOT INCLUDED |
| Actuation Method | BUOYANCY |
| FSC Application Data | EXCEPT ENGINE |
| Phase | SINGLE FIRST OPERATING POWER RQMT |
| AC Voltage Rating | 110.000 VOLTS MINIMUM AND 220.000 VOLTS MAXIMUM FIRST OPERATING POWER RQMT |
| Mounting Method | FLANGE |
| Contact Arrangement | SPST,NORMALLY CLOSED |
| Mounting Position | HORIZONTAL |
| Connector Identification | 10-2142216-4P |
| Float Effective Travel | 0.343 INCHES NOMINAL IN |
| Float Quantity | 1 |
| Liquid Type for Which Designed | HYDRAULIC OIL AND LUBRICATING OIL AND SEA WATER AND VARIOUS FUELS |
| Tank Insertion Length | 31.500 INCHES MAXIMUM IN |
| Operating Temp Rating | -65.0 FAHRENHEIT MINIMUM AND 250.0 FAHRENHEIT MAXIMUM DEGF |
| Mounting Dimensions | MTD BY SIX 9/16 IN. DIA HOLES EQUALLY SPACED ON A 4-7/16 IN. DIA BOLT CIRCLE IN |
| Frequency Rating | 60.000 HERTZ NOMINAL FIRST OPERATING POWER RQMT |
| Electrical Connection Type | CONNECTOR RECEPTACLE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| CDLS18350-1 | Setra Systems, Inc. Dba Gems Sensors (USA) |
| LS18350-1 PRIMARY | Setra Systems, Inc. Dba Gems Sensors (USA) |
| Reference | Meaning |
|---|---|
| LS18350 | 5/1 Secondary reference Setra Systems, Inc. Dba Gems Sensors |
NSN 5930-00-901-3704 is a Switch,liquid Level, manufactured by Setra Systems, Inc. Dba Gems Sensors, classified under FSC 5930, Switches. Status: active.
NSN 5930-00-901-3704 has 2 manufacturer part numbers on file: CDLS18350-1 (Setra Systems, Inc. Dba Gems Sensors), LS18350-1 (Setra Systems, Inc. Dba Gems Sensors).
Key specifications for LS18350-1: Relay: NOT INCLUDED; Actuation Method: BUOYANCY; Overall Height: 2.250 INCHES NOMINAL IN; FSC Application Data: EXCEPT ENGINE. 17 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.