The Switch,pressure, cataloged under National Stock Number 5930-01-175-4643, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. Government technical data includes 22 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5930-01-175-4643 |
| Item Name | Switch,pressure |
| FSC / FSG | 5930 / 59 — Switches |
| Status | ACTIVE |
| Frequency in Hertz | 60.0 SINGLE VOLTAGE |
| Contact Action Stimulus | INCREASE |
| Terminal Type | SCREW |
| Proof Pressure | 45.00 INCHES OF WATER IN |
| Contact Load Current Rating | 15.0 AMPERES RESISTIVE LOAD SINGLE VOLTAGE |
| Mounting Method | SURFACE |
| Contact Adjustment Range | +3.00 TO 11.00 ACTUATION POINT INCHES OF WATER |
| Style Designator | RECTANGULAR W/BRACKET |
| Pressure Switch Type | DIFFERENTIAL |
| Contact Adjustment Type | INTERNAL ACTUATION POINT SCREW |
| Nominal Thread Size | 0.125 INCHES SINGLE PRESSURE CONNECTION IN |
| Body Length | 4.750 INCHES NOMINAL IN |
| Pressure Connector Type | PLAIN, THREADED INTERNAL SINGLE CONNECTION |
| Operating Temp Rating | -30.0 FAHRENHEIT MINIMUM AND 110.0 FAHRENHEIT MAXIMUM DEGF |
| Inside Diameter | 0.125 INCHES NOMINAL SINGLE CONNECTION IN |
| Nonpile-Up Contact Arrangement | 1 POLE, DOUBLE THROW, BOTH POSITIONS MAINTAINED |
| Media for Which Designed | LIQUID |
| Thread Quantity Per Inch | 27 SINGLE PRESSURE CONNECTION |
| Thread Series Designator | NPT SINGLE PRESSURE CONNECTION |
| Contact Adjustability | ACTUATION POINT ADJUSTABLE |
| Contact Voltage Rating in Volts | 480.0 AC AT SEA LEVEL SINGLE VOLTAGE |
| Hazardous Locations/environmental Protection | VIBRATION PROOF |
| 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 |
|---|---|
| 1910-20 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5930-01-175-4643 is a Switch,pressure, classified under FSC 5930, Switches. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 5925-01-302-2720, 2640-01-683-0036. Verify interchangeability with system specifications before substitution.
Key specifications for 5930-01-175-4643: Overall Height: 5.750 INCHES NOMINAL IN; Frequency in Hertz: 60.0 SINGLE VOLTAGE; Contact Action Stimulus: INCREASE; Terminal Type: SCREW. 22 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.