The Switch,flow, cataloged under National Stock Number 5930-01-527-1997, 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 8 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 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 | 5930-01-527-1997 |
| Primary Part Number | 204455 |
| Item Name | Switch,flow |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Setra Systems, Inc. Dba Gems Sensors |
| Status | ACTIVE |
| Frequency in Hertz | 50.0 AND 60.0 SINGLE VOLTAGE |
| Contact Action Stimulus | INCREASE |
| Terminal Type | WIRE LEAD |
| Style Designator | CYLINDRICAL |
| Media for Which Designed | GAS OR LIQUID |
| Contact Stimulus Rating | 4.00 ACTUATION POINT NOMINAL GALLONS PER MINUTE |
| Contact Adjustability | ACTUATION POINT NOT ADJUSTABLE |
| Contact Voltage Rating in Volts | 120.0 AC AT SEA LEVEL SINGLE VOLTAGE |
| 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 |
|---|---|
| LP-R-20201-079 | Raytheon Company (USA) |
| FS-200-UE REV J | Setra Systems, Inc. Dba Gems Sensors (USA) |
| FS-200-UE-LW-0.50-V-4.0GPM-D | Setra Systems, Inc. Dba Gems Sensors (USA) |
| 204455 PRIMARY | Setra Systems, Inc. Dba Gems Sensors (USA) |
| 9002184-3 | Raytheon Company (USA) |
NSN 5930-01-527-1997 is a Switch,flow, manufactured by Setra Systems, Inc. Dba Gems Sensors, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-527-1997 has 5 manufacturer part numbers on file: LP-R-20201-079 (Raytheon Company), FS-200-UE REV J (Setra Systems, Inc. Dba Gems Sensors), FS-200-UE-LW-0.50-V-4.0GPM-D (Setra Systems, Inc. Dba Gems Sensors), 204455 (Setra Systems, Inc. Dba Gems Sensors), 9002184-3 (Raytheon Company).
2 possible matches (shared part number, not a government interchangeability claim): 5930-01-690-0094, 5930-01-696-6875. Verify interchangeability with system specifications before substitution.
Key specifications for 204455: Frequency in Hertz: 50.0 AND 60.0 SINGLE VOLTAGE; Contact Action Stimulus: INCREASE; Terminal Type: WIRE LEAD; Style Designator: CYLINDRICAL. 8 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.