The Switch,liquid Level, cataloged under National Stock Number 5930-00-004-8993, 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 21 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-00-004-8993 |
| Primary Part Number | FL28267 |
| 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 |
| Phase | SINGLE/THREE LOCATION NOT OTHERWISE SPECIFIED |
| AC Voltage Rating | 220.0 VOLTS NOMINAL SECOND OPERATING POWER RQMT |
| AC Voltage Rating | 110.0 VOLTS NOMINAL FIRST OPERATING POWER RQMT |
| Overall Diameter | 1.875 INCHES NOMINAL IN |
| Current Rating at Maximum Rated Voltage | 200.0 MILLIAMPERES NOMINAL LOAD |
| DC Voltage Rating | 50.0 VOLTS MAXIMUM FOURTH OPERATING POWER RQMT |
| DC Voltage Rating | 6.0 VOLTS MINIMUM THIRD OPERATING POWER RQMT |
| Mounting Method | THREAD |
| Voltage Rating at Maximum Rated Current | 50.0 VOLTS |
| Contact Arrangement | SPST,NORMALLY CLOSED,DRY |
| Mounting Position | VERTICAL |
| Maximum Current Rating | 200.0 MILLIAMPERES NOMINAL LOAD |
| Float Effective Travel | 0.500 INCHES NOMINAL IN |
| Float Quantity | 3 |
| Liquid Type for Which Designed | DEMINERALIZED WATER |
| Tank Insertion Length | 25.880 INCHES NOMINAL IN |
| Operating Temp Rating | 0.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC |
| Mounting Dimensions | MTD BY 3/8-18 NPT THD SHAFT END |
| Frequency Rating | 60.0 HERTZ NOMINAL LOCATION NOT OTHERWISE SPECIFIED |
| 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 |
|---|---|
| FL28267 PRIMARY | Setra Systems, Inc. Dba Gems Sensors (USA) |
| Reference | Meaning |
|---|---|
| 11308485 | 7/9 Vendor item drawing reference Ballistic Missile Defense Systems Command |
NSN 5930-00-004-8993 is a Switch,liquid Level, manufactured by Setra Systems, Inc. Dba Gems Sensors, classified under FSC 5930, Switches. Status: active.
NSN 5930-00-004-8993 has 1 manufacturer part number on file: FL28267 (Setra Systems, Inc. Dba Gems Sensors).
Key specifications for FL28267: Relay: NOT INCLUDED; Actuation Method: BUOYANCY; Phase: SINGLE/THREE LOCATION NOT OTHERWISE SPECIFIED; AC Voltage Rating: 220.0 VOLTS NOMINAL SECOND OPERATING POWER RQMT. 21 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.