The Switch,pressure, cataloged under National Stock Number 5930-01-043-4389, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. Government technical data includes 18 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5930-01-043-4389 |
| Item Name | Switch,pressure |
| FSC / FSG | 5930 / 59 — Switches |
| Status | ACTIVE |
| Body Diameter | 1.844 INCHES NOMINAL IN |
| Contact Action Stimulus | INCREASE |
| Terminal Type | QUICK DISCONNECT, MALE |
| Proof Pressure | 25.00 POUNDS PER SQUARE INCH LBS |
| Contact Load Current Rating | 15.0 AMPERES RESISTIVE LOAD SINGLE VOLTAGE |
| Mounting Method | BRACKET(S) |
| Contact Adjustment Range | +0.00 TO 20.00 ACTUATION POINT POUNDS PER SQUARE INCH AND +0.00 TO 20.00 DEACTUATION POINT POUNDS PER SQUARE INCH |
| Pressure Switch Type | GAGE |
| Contact Adjustment Type | EXTERNAL DEACTUATION POINT SCREW AND EXTERNAL ACTUATION POINT SCREW |
| Features Provided | TAMPER PROOF CAP |
| Nominal Thread Size | 0.250 INCHES SINGLE PRESSURE CONNECTION IN |
| Body Length | 2.438 INCHES NOMINAL IN |
| Pressure Connector Type | DOUBLE COMPRESSION, THREADED INTERNAL SINGLE CONNECTION |
| Nonpile-Up Contact Arrangement | 1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY |
| Media for Which Designed | GAS OR LIQUID |
| Thread Series Designator | NPT SINGLE PRESSURE CONNECTION |
| Contact Adjustability | DEACTUATION POINT ADJUSTABLE AND ACTUATION POINT ADJUSTABLE |
| Contact Voltage Rating in Volts | 250.0 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 |
| Reference | Meaning |
|---|---|
| H41-144 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5930-01-043-4389 is a Switch,pressure, classified under FSC 5930, Switches. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5306-01-148-3679. Verify interchangeability with system specifications before substitution.
Key specifications for 5930-01-043-4389: Body Diameter: 1.844 INCHES NOMINAL IN; Contact Action Stimulus: INCREASE; Terminal Type: QUICK DISCONNECT, MALE; Proof Pressure: 25.00 POUNDS PER SQUARE INCH LBS. 18 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.