The Switch,liquid Level, cataloged under National Stock Number 5930-01-052-1409, 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 20 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5930-01-052-1409 |
| Primary Part Number | LS-19735 |
| 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 |
| Power Cable Length | 24.000 INCHES NOMINAL IN |
| AC Voltage Rating | 120.0 VOLTS NOMINAL SECOND ALTERNATE OPERATING POWER RQMT |
| AC Voltage Rating | 240.0 VOLTS NOMINAL THIRD ALTERNATE OPERATING POWER RQMT |
| AC Voltage Rating | 0.0 VOLTS MINIMUM AND 50.0 VOLTS MAXIMUM FIRST ALTERNATE OPERATING POWER RQMT |
| Overall Diameter | 1.500 INCHES NOMINAL IN |
| Current Rating at Maximum Rated Voltage | 0.06 AMPERES NOMINAL LOAD |
| DC Voltage Rating | 120.0 VOLTS NOMINAL SECOND ALTERNATE OPERATING POWER RQMT |
| DC Voltage Rating | 240.0 VOLTS NOMINAL THIRD ALTERNATE OPERATING POWER RQMT |
| DC Voltage Rating | 0.0 VOLTS MINIMUM AND 50.0 VOLTS MAXIMUM FIRST ALTERNATE OPERATING POWER RQMT |
| Mounting Method | THREAD |
| Voltage Rating at Maximum Rated Current | 50.0 VOLTS |
| Contact Arrangement | SINGLE POLE,SINGLE THROW,NORMALLY OPEN |
| Mounting Position | VERTICAL |
| Maximum Current Rating | 0.3 AMPERES NOMINAL LOAD |
| Float Quantity | 1 |
| Operating Temp Rating | 0.0 FAHRENHEIT MINIMUM AND 140.0 FAHRENHEIT MAXIMUM DEGF |
| Mounting Dimensions | ONE 1/4 IN. NPT EXTERNALLY THREADED CONNECTOR IN |
| Electrical Connection Type | CABLE |
| 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 |
|---|---|
| LS-19735 PRIMARY | Setra Systems, Inc. Dba Gems Sensors (USA) |
| Reference | Meaning |
|---|---|
| 19735 | C/1 Advisory reference — outside the item-of-supply concept Setra Systems, Inc. Dba Gems Sensors |
NSN 5930-01-052-1409 is a Switch,liquid Level, manufactured by Setra Systems, Inc. Dba Gems Sensors, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-052-1409 has 1 manufacturer part number on file: LS-19735 (Setra Systems, Inc. Dba Gems Sensors).
1 possible match (shared part number, not a government interchangeability claim): 6515-01-589-7623. Verify interchangeability with system specifications before substitution.
Key specifications for LS-19735: Relay: NOT INCLUDED; Actuation Method: BUOYANCY; Power Cable Length: 24.000 INCHES NOMINAL IN; AC Voltage Rating: 120.0 VOLTS NOMINAL SECOND ALTERNATE OPERATING POWER RQMT. 20 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.