The Switch,pressure, cataloged under National Stock Number 5930-01-339-6650, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. Government technical data includes 22 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-01-339-6650 |
| Item Name | Switch,pressure |
| FSC / FSG | 5930 / 59 — Switches |
| Status | ACTIVE |
| Body Diameter | 1.000 INCHES MINIMUM AND 1.600 INCHES MAXIMUM IN |
| Contact Action Stimulus | INCREASE |
| Terminal Type | CONNECTOR, RECEPTACLE |
| Proof Pressure | 250.00 POUNDS PER SQUARE INCH LBS |
| Contact Load Current Rating | 4.0 AMPERES RESISTIVE LOAD AND 2.0 AMPERES INDUCTIVE LOAD SINGLE VOLTAGE |
| Mounting Method | INPUT PORT |
| Style Designator | CYLINDRICAL W/PORT |
| Outside Diameter | 0.438 INCHES NOMINAL ALL CONNECTIONS IN |
| Pressure Switch Type | DIFFERENTIAL |
| Nominal Thread Size | 0.438 INCHES ALL PRESSURE CONNECTION IN |
| Specification/standard Data | 81349-MIL-S-9395/29 GOVERNMENT SPECIFICATION |
| Pressure Connector Type | SWIVEL NUT, INVERTED FLARE, THREADED EXTERNAL ALL CONNECTIONS |
| Operating Temp Rating | -65.0 FAHRENHEIT MINIMUM AND 400.0 FAHRENHEIT MAXIMUM DEGF |
| Nonpile-Up Contact Arrangement | 1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY |
| Media for Which Designed | GAS OR LIQUID |
| Thread Class | 3A ALL PRESSURE CONNECTION A |
| Test Data Document | 81349-MIL-S-9395 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
| Contact Stimulus Rating | 15.00 ACTUATION POINT NOMINAL POUNDS PER SQUARE INCH AND 10.00 DEACTUATION POINT NOMINAL POUNDS PER SQUARE INCH |
| Thread Series Designator | UNF ALL 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 | DUSTPROOF AND FLAMEPROOF AND 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 |
| Reference | Meaning |
|---|---|
| MIL-DTL-9395/29 | 4/1 Identification reference U.S. Government activity |
| MIL-S-9395/29 | 5/9 Secondary reference U.S. Government activity |
| M9395/29-NG7EI | 2/2 Government specification standardization U.S. Government activity |
NSN 5930-01-339-6650 is a Switch,pressure, classified under FSC 5930, Switches. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5930-01-359-1430. Verify interchangeability with system specifications before substitution.
Key specifications for 5930-01-339-6650: Body Diameter: 1.000 INCHES MINIMUM AND 1.600 INCHES MAXIMUM IN; Overall Height: 3.317 INCHES NOMINAL IN; Contact Action Stimulus: INCREASE; Terminal Type: CONNECTOR, RECEPTACLE. 22 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.