The Switch,pressure, cataloged under National Stock Number 5930-01-025-7841, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is United Electric Controls Co Div Precision Sensors Division. Government technical data includes 21 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-01-025-7841 |
| Primary Part Number | P56M2-11 |
| Item Name | Switch,pressure |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | United Electric Controls Co Div Precision Sensors Division |
| Status | ACTIVE |
| Body Diameter | 1.750 INCHES NOMINAL IN |
| Contact Action Stimulus | INCREASE |
| Mounting Facility Pattern | THREE POSITION CIRCULAR |
| Overall Diameter | 2.500 INCHES NOMINAL IN |
| Proof Pressure | 35.00 POUNDS PER SQUARE INCH GAGE LBS |
| Contact Load Current Rating | 3.0 AMPERES INDUCTIVE LOAD SECOND VOLTAGE |
| Contact Load Current Rating | 5.0 AMPERES RESISTIVE LOAD FIRST VOLTAGE |
| Mounting Method | THREADED HOLE(S) |
| Sensing Element Burst Pressure | 70.00 POUNDS PER SQUARE INCH GAGE LBS |
| Style Designator | CYLINDRICAL |
| Pressure Switch Type | GAGE |
| Nominal Thread Size | 0.138 INCHES ALL THREADED HOLE IN |
| Body Length | 2.500 INCHES MAXIMUM IN |
| Pressure Connector Type | BARBED, UNTHREADED EXTERNAL SINGLE CONNECTION |
| Nonpile-Up Contact Arrangement | 2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY |
| Media for Which Designed | GAS |
| Contact Stimulus Rating | 20.00 ACTUATION POINT NOMINAL INCHES OF WATER AND 15.00 DEACTUATION POINT NOMINAL INCHES OF WATER |
| Thread Quantity Per Inch | 32 ALL THREADED HOLE |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) ALL THREADED HOLE |
| Contact Adjustability | DEACTUATION POINT NOT ADJUSTABLE AND ACTUATION POINT NOT ADJUSTABLE |
| Contact Voltage Rating in Volts | 28.0 DC 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 |
NSN 5930-01-025-7841 is a Switch,pressure, manufactured by United Electric Controls Co Div Precision Sensors Division, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-025-7841 has 2 manufacturer part numbers on file: P56M2-11 (United Electric Controls Co Div Precision Sensors Division), GS535AD1 (Northrop Grumman Systems Corporation).
Key specifications for P56M2-11: Body Diameter: 1.750 INCHES NOMINAL IN; Contact Action Stimulus: INCREASE; Mounting Facility Pattern: THREE POSITION CIRCULAR; Overall Diameter: 2.500 INCHES NOMINAL IN. 21 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.