The Switch,liquid Level, cataloged under National Stock Number 5930-01-537-4452, 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 12 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-01-537-4452 |
| Primary Part Number | 178078 |
| 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 | 360.000 INCHES NOMINAL IN |
| AC Voltage Rating | 110.0 VOLTS NOMINAL FIRST ALTERNATE OPERATING POWER RQMT |
| AC Voltage Rating | 240.0 VOLTS MAXIMUM SECOND ALTERNATE OPERATING POWER RQMT |
| Current Rating at Maximum Rated Voltage | 0.0 AMPERES RESISTIVE LOAD |
| Mounting Method | BRACKET(S) |
| Mounting Position | VERTICAL |
| Float Quantity | 1 |
| Liquid Type for Which Designed | SEA WATER AND LUBRICATING OIL AND VARIOUS FUELS |
| Operating Temp Rating | 180.0 FAHRENHEIT MAXIMUM DEGF |
| 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 |
|---|---|
| 301-7607319-4 | Naval Sea Systems Command (USA) |
| 178078 PRIMARY | Setra Systems, Inc. Dba Gems Sensors (USA) |
| 301-7607319-5 | Naval Sea Systems Command (USA) |
NSN 5930-01-537-4452 is a Switch,liquid Level, manufactured by Setra Systems, Inc. Dba Gems Sensors, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-537-4452 has 3 manufacturer part numbers on file: 301-7607319-4 (Naval Sea Systems Command), 178078 (Setra Systems, Inc. Dba Gems Sensors), 301-7607319-5 (Naval Sea Systems Command).
Key specifications for 178078: Relay: NOT INCLUDED; Actuation Method: BUOYANCY; Power Cable Length: 360.000 INCHES NOMINAL IN; AC Voltage Rating: 110.0 VOLTS NOMINAL FIRST ALTERNATE OPERATING POWER RQMT. 12 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.