The Switch,flow, cataloged under National Stock Number 5930-01-473-9150, 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 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5930-01-473-9150 |
| Primary Part Number | 61189 |
| Item Name | Switch,flow |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Setra Systems, Inc. Dba Gems Sensors |
| Status | ACTIVE |
| Contact Action Stimulus | INCREASE |
| Mounting Method | THREADED HOLE(S) |
| Style Designator | CYLINDRICAL |
| Nonpile-Up Contact Arrangement | 1 POLE, DOUBLE THROW, TWO POSITIONS MOMENTARY |
| Media for Which Designed | LIQUID |
| Contact Adjustability | ACTUATION POINT ADJUSTABLE, PRESET |
| 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 |
|---|---|
| 61189 PRIMARY | Setra Systems, Inc. Dba Gems Sensors (USA) |
| Reference | Meaning |
|---|---|
| FS-550-SS/61189 | C/1 Advisory reference — outside the item-of-supply concept Setra Systems, Inc. Dba Gems Sensors |
NSN 5930-01-473-9150 is a Switch,flow, manufactured by Setra Systems, Inc. Dba Gems Sensors, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-473-9150 has 1 manufacturer part number on file: 61189 (Setra Systems, Inc. Dba Gems Sensors).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-486-8708. Verify interchangeability with system specifications before substitution.
Key specifications for 61189: Contact Action Stimulus: INCREASE; Mounting Method: THREADED HOLE(S); Style Designator: CYLINDRICAL; Special Features: PSI RANGE 0 TO 2000, FLOW RATE GPM 11 TO 25, FIELD ADJ PADDLE. 6 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.