The Switch,liquid Level, cataloged under National Stock Number 5930-00-140-4187, 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 3 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. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-00-140-4187 |
| Primary Part Number | 21944 |
| Item Name | Switch,liquid Level |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Setra Systems, Inc. Dba Gems Sensors |
| Status | ACTIVE |
| Actuation Method | BUOYANCY |
| Specific Equipment Accommodated | ENGINE ROOM CONSOLE |
| Float Quantity | 2 |
| 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 |
|---|---|
| 168A2434AXP12NC102N0 | General Electric Company Dba Ge (USA) |
| 21944 PRIMARY | Setra Systems, Inc. Dba Gems Sensors (USA) |
NSN 5930-00-140-4187 is a Switch,liquid Level, manufactured by Setra Systems, Inc. Dba Gems Sensors, classified under FSC 5930, Switches. Status: active.
NSN 5930-00-140-4187 has 2 manufacturer part numbers on file: 168A2434AXP12NC102N0 (General Electric Company Dba Ge), 21944 (Setra Systems, Inc. Dba Gems Sensors).
4 possible matches (shared part number, not a government interchangeability claim): 5950-00-828-8894, 2815-01-202-8135, 8415-01-323-2177. Verify interchangeability with system specifications before substitution.
Key specifications for 21944: Actuation Method: BUOYANCY; Specific Equipment Accommodated: ENGINE ROOM CONSOLE; Float Quantity: 2. 3 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.