The Switch,pressure, cataloged under National Stock Number 5930-01-049-4840, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. Government technical data includes 27 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-01-049-4840 |
| Item Name | Switch,pressure |
| FSC / FSG | 5930 / 59 — Switches |
| Status | ACTIVE |
| Body Diameter | 1.875 INCHES NOMINAL IN |
| Contact Action Stimulus | INCREASE |
| Terminal Type | QUICK DISCONNECT, MALE |
| Overall Diameter | 2.000 INCHES NOMINAL IN |
| Proof Pressure | 500.00 POUNDS PER SQUARE INCH LBS |
| Contact Load Current Rating | 15.0 AMPERES RESISTIVE LOAD FIRST VOLTAGE |
| Contact Load Current Rating | 10.0 AMPERES RESISTIVE LOAD THIRD VOLTAGE |
| Contact Load Current Rating | 15.0 AMPERES RESISTIVE LOAD SECOND VOLTAGE |
| Mounting Method | CLAMP |
| Thread Length | 0.437 INCHES NOMINAL SINGLE PRESSURE CONNECTION IN |
| Style Designator | CYLINDRICAL |
| Outside Diameter | 0.125 INCHES NOMINAL SINGLE CONNECTION IN |
| Pressure Switch Type | GAGE |
| Features Provided | HERMETICALLY SEALED CASE |
| Nominal Thread Size | 0.125 INCHES SINGLE PRESSURE CONNECTION IN |
| Body Length | 1.625 INCHES NOMINAL IN |
| Pressure Connector Type | PLAIN, THREADED EXTERNAL SINGLE CONNECTION |
| Nonpile-Up Contact Arrangement | 1 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION |
| Media for Which Designed | GAS OR LIQUID |
| Thread Class | 3A SINGLE PRESSURE CONNECTION A |
| Contact Stimulus Rating | 62.00 ACTUATION POINT NOMINAL POUNDS PER SQUARE INCH AND 42.00 DEACTUATION POINT NOMINAL POUNDS PER SQUARE INCH AND 20.00 DIFFERENTIAL POINT NOMINAL POUNDS PER SQUARE INCH |
| Thread Quantity Per Inch | 27 SINGLE PRESSURE CONNECTION |
| Thread Series Designator | NPTF SINGLE PRESSURE CONNECTION |
| Contact Adjustability | DEACTUATION POINT NOT ADJUSTABLE AND ACTUATION POINT NOT ADJUSTABLE |
| Contact Voltage Rating in Volts | 28.0 DC AT SEA LEVEL THIRD VOLTAGE |
| Contact Voltage Rating in Volts | 250.0 AC AT SEA LEVEL FIRST VOLTAGE |
| Contact Voltage Rating in Volts | 125.0 AC 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 |
|---|---|
| SP2X4262 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| SP2Z4262 | 5/9 Secondary reference U.S. Government activity |
| 09N082A | 5/2 Secondary reference U.S. Government activity |
| SP 2C-4262 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5930-01-049-4840 is a Switch,pressure, classified under FSC 5930, Switches. Status: active.
Key specifications for 5930-01-049-4840: Body Diameter: 1.875 INCHES NOMINAL IN; Contact Action Stimulus: INCREASE; Terminal Type: QUICK DISCONNECT, MALE; Overall Diameter: 2.000 INCHES NOMINAL IN. 27 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.