The Switch,pressure, cataloged under National Stock Number 5930-00-103-3958, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. Government technical data includes 24 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-00-103-3958 |
| Item Name | Switch,pressure |
| FSC / FSG | 5930 / 59 — Switches |
| Status | ACTIVE |
| Body Diameter | 3.000 INCHES NOMINAL IN |
| Frequency in Hertz | 60.0 FIRST VOLTAGE |
| Contact Action Stimulus | INCREASE |
| Terminal Type | WIRE LEAD |
| Mounting Facility Pattern | TWO POSITION IN-LINE |
| Proof Pressure | 40.00 POUNDS PER SQUARE INCH GAGE LBS |
| Contact Load Current Rating | 300.0 MILLIAMPERES RESISTIVE LOAD SECOND VOLTAGE |
| Contact Load Current Rating | 450.0 MILLIAMPERES INDUCTIVE LOAD FIRST VOLTAGE |
| Mounting Method | BRACKET(S) |
| Contact Adjustment Range | +0.40 TO 20.00 ACTUATION POINT POUNDS PER SQUARE INCH GAGE |
| Pressure Switch Type | GAGE |
| Contact Adjustment Type | EXTERNAL ACTUATION POINT SCREW |
| Distance Between Mounting Facility Centers | 3.000 INCHES NOMINAL IN |
| Nominal Thread Size | 0.562 INCHES SINGLE PRESSURE CONNECTION IN |
| Pressure Connector Type | FLARE, THREADED INTERNAL SINGLE CONNECTION |
| Nonpile-Up Contact Arrangement | 2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY |
| Media for Which Designed | LIQUID |
| Thread Class | 3B SINGLE PRESSURE CONNECTION |
| Contact Stimulus Rating | 19.60 ACTUATION POINT NOMINAL POUNDS PER SQUARE INCH GAGE AND 16.00 DEACTUATION POINT NOMINAL POUNDS PER SQUARE INCH GAGE AND 4.00 DIFFERENTIAL POINT NOMINAL POUNDS PER SQUARE INCH GAGE |
| Thread Quantity Per Inch | 18 SINGLE PRESSURE CONNECTION |
| Thread Series Designator | UNF SINGLE PRESSURE CONNECTION |
| Contact Adjustability | DEACTUATION POINT NOT ADJUSTABLE AND ACTUATION POINT ADJUSTABLE, PRESET |
| Contact Voltage Rating in Volts | 440.0 AC AT SEA LEVEL FIRST VOLTAGE |
| Contact Voltage Rating in Volts | 250.0 DC AT SEA LEVEL SECOND 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 |
|---|---|
| 424E10C985 | 5/2 Secondary reference U.S. Government activity |
| 424E10C985 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5930-00-103-3958 is a Switch,pressure, classified under FSC 5930, Switches. Status: active.
Key specifications for 5930-00-103-3958: Body Diameter: 3.000 INCHES NOMINAL IN; Frequency in Hertz: 60.0 FIRST VOLTAGE; Contact Action Stimulus: INCREASE; Terminal Type: WIRE LEAD. 24 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.