The Switch,pressure, cataloged under National Stock Number 5930-01-308-3981, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Johnson Controls Navy Systems, Llc. Government technical data includes 24 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-01-308-3981 |
| Primary Part Number | 025-28172 |
| Item Name | Switch,pressure |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Johnson Controls Navy Systems, Llc |
| Status | ACTIVE |
| Contact Action Stimulus | INCREASE |
| Terminal Type | WIRE LEAD |
| Contact Load Current Rating | 15.0 AMPERES RESISTIVE LOAD FIRST VOLTAGE |
| Contact Load Current Rating | 0.5 AMPERES RESISTIVE LOAD THIRD VOLTAGE |
| Contact Load Current Rating | 15.0 AMPERES RESISTIVE LOAD SECOND VOLTAGE |
| Contact Load Current Rating | 0.25 AMPERES RESISTIVE LOAD FOURTH VOLTAGE |
| Mounting Method | BRACKET(S) |
| Contact Adjustment Range | -9.82 TO 100.00 ACTUATION POINT POUNDS PER SQUARE INCH GAGE |
| Body Height | 2.750 INCHES NOMINAL IN |
| Style Designator | RECTANGULAR |
| Outside Diameter | 0.250 INCHES NOMINAL SINGLE CONNECTION IN |
| Pressure Switch Type | GAGE |
| Contact Adjustment Type | EXTERNAL ACTUATION POINT SCREW |
| Features Provided | ELECTRICAL ACCESS PORT AND AUTOMATIC RESET |
| Nominal Thread Size | 0.250 INCHES SINGLE PRESSURE CONNECTION IN |
| Pressure Connector Type | FLARED, THREADED EXTERNAL SINGLE CONNECTION |
| Nonpile-Up Contact Arrangement | 2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY |
| Media for Which Designed | GAS OR LIQUID |
| Thread Series Designator | NPT SINGLE PRESSURE CONNECTION |
| Contact Adjustability | ACTUATION POINT ADJUSTABLE |
| Contact Voltage Rating in Volts | 230.0 DC AT SEA LEVEL FOURTH VOLTAGE |
| Contact Voltage Rating in Volts | 115.0 AC AT SEA LEVEL FIRST VOLTAGE |
| Contact Voltage Rating in Volts | 230.0 AC AT SEA LEVEL SECOND VOLTAGE |
| Contact Voltage Rating in Volts | 115.0 DC AT SEA LEVEL THIRD VOLTAGE |
| 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 |
|---|---|
| 025-28172 PRIMARY | Johnson Controls Navy Systems, Llc (USA) |
| 4B7B01D00B0041 | Detroit Switch Inc Dba Detroit Switch Inc (USA) |
| Reference | Meaning |
|---|---|
| 4B7B01D00B | C/1 Advisory reference — outside the item-of-supply concept Detroit Switch Inc Dba Detroit Switch Inc |
NSN 5930-01-308-3981 is a Switch,pressure, manufactured by Johnson Controls Navy Systems, Llc, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-308-3981 has 2 manufacturer part numbers on file: 025-28172 (Johnson Controls Navy Systems, Llc), 4B7B01D00B0041 (Detroit Switch Inc Dba Detroit Switch Inc).
Key specifications for 025-28172: Overall Height: 6.812 INCHES NOMINAL IN; Contact Action Stimulus: INCREASE; Terminal Type: WIRE LEAD; Contact Load Current Rating: 15.0 AMPERES RESISTIVE LOAD FIRST VOLTAGE. 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.