The Switch,pressure, cataloged under National Stock Number 5930-01-279-2113, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-01-279-2113 |
| Primary Part Number | 331033P03 |
| Item Name | Switch,pressure |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc. |
| Status | ACTIVE |
| Width Across Flats | 0.680 INCHES NOMINAL IN |
| Contact Action Stimulus | INCREASE |
| Terminal Type | CONNECTOR, RECEPTACLE |
| Overall Diameter | 0.880 INCHES MAXIMUM IN |
| Proof Pressure | 450.00 POUNDS PER SQUARE INCH GAGE LBS |
| Contact Load Current Rating | 1.2 AMPERES RESISTIVE LOAD AND 660.0 MILLIAMPERES INDUCTIVE LOAD SINGLE VOLTAGE |
| Mounting Method | INPUT PORT |
| Sensing Element Burst Pressure | 1200.00 POUNDS PER SQUARE INCH GAGE LBS |
| Style Designator | CYLINDRICAL |
| Outside Diameter | 0.438 INCHES NOMINAL SINGLE CONNECTION IN |
| Pressure Switch Type | ABSOLUTE |
| Nominal Thread Size | 0.438 INCHES SINGLE PRESSURE CONNECTION IN |
| Pressure Connector Type | FLARED, THREADED EXTERNAL SINGLE CONNECTION |
| Nonpile-Up Contact Arrangement | 1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY |
| Media for Which Designed | LIQUID |
| Thread Class | 3A SINGLE PRESSURE CONNECTION A |
| Contact Stimulus Rating | 222.10 ACTUATION POINT NOMINAL POUNDS PER SQUARE INCH ABSOLUTE AND 157.10 DEACTUATION POINT NOMINAL POUNDS PER SQUARE INCH ABSOLUTE |
| Thread Series Designator | UNF SINGLE PRESSURE CONNECTION |
| Contact Adjustability | ACTUATION POINT NOT ADJUSTABLE AND DEACTUATION POINT NOT ADJUSTABLE |
| Contact Voltage Rating in Volts | 28.0 DC AT SEA LEVEL SINGLE VOLTAGE |
| Hazardous Locations/environmental Protection | VIBRATION RESISTANT |
| 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 |
|---|---|
| 1173P0434 | Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc. (USA) |
| 331033P03 PRIMARY | Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 331033P03 | 5/9 Secondary reference Howden Fluid Systems |
| 1173P0434 | 5/2 Secondary reference U.S. Government activity |
| 1173P0434 | 5/9 Secondary reference Howden Fluid Systems |
NSN 5930-01-279-2113 is a Switch,pressure, manufactured by Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc., classified under FSC 5930, Switches. Status: active.
NSN 5930-01-279-2113 has 2 manufacturer part numbers on file: 1173P0434 (Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.), 331033P03 (Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.).
Key specifications for 331033P03: Width Across Flats: 0.680 INCHES NOMINAL IN; Contact Action Stimulus: INCREASE; Terminal Type: CONNECTOR, RECEPTACLE; Overall Diameter: 0.880 INCHES MAXIMUM 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.