The Switch,pressure, cataloged under National Stock Number 5930-01-128-3727, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. Government technical data includes 25 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5930-01-128-3727 |
| Item Name | Switch,pressure |
| FSC / FSG | 5930 / 59 — Switches |
| Status | ACTIVE |
| Width Across Flats | 0.813 INCHES NOMINAL IN |
| Contact Action Stimulus | INCREASE |
| Terminal Type | CONNECTOR, RECEPTACLE |
| Overall Diameter | 1.000 INCHES MAXIMUM IN |
| Proof Pressure | 4500.00 POUNDS PER SQUARE INCH LBS |
| Contact Load Current Rating | 1.0 AMPERES RESISTIVE LOAD SINGLE VOLTAGE |
| Mounting Method | INPUT PORT |
| Sensing Element Burst Pressure | 7500.00 POUNDS PER SQUARE INCH LBS |
| Style Designator | CYLINDRICAL |
| Outside Diameter | 1.000 INCHES MAXIMUM SINGLE CONNECTION IN |
| Pressure Switch Type | GAGE |
| Features Provided | HERMETICALLY SEALED CASE |
| Nominal Thread Size | 0.562 INCHES SINGLE PRESSURE CONNECTION IN |
| Specification/standard Data | 81349-MIL-S-9395/40 GOVERNMENT SPECIFICATION |
| Pressure Connector Type | SWIVEL NUT, INVERTED FLARE, THREADED EXTERNAL SINGLE CONNECTION |
| Operating Temp Rating | -65.0 FAHRENHEIT MINIMUM AND 275.0 FAHRENHEIT MAXIMUM DEGF |
| Nonpile-Up Contact Arrangement | 2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY |
| Media for Which Designed | LIQUID |
| Thread Class | 3A SINGLE 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 | 2000.00 ACTUATION POINT NOMINAL POUNDS PER SQUARE INCH AND 1750.00 DEACTUATION POINT NOMINAL POUNDS PER SQUARE INCH AND 250.00 DIFFERENTIAL POINT NOMINAL POUNDS PER SQUARE INCH |
| Thread Quantity Per Inch | 18 SINGLE PRESSURE CONNECTION |
| Thread Series Designator | UNF 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 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 |
| Reference | Meaning |
|---|---|
| 10135339 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| MIL-S-9395/40 | 5/9 Secondary reference U.S. Government activity |
| MIL-DTL-9395/40 | 4/1 Identification reference U.S. Government activity |
| M9395/40-AV9SQ | 2/2 Government specification standardization U.S. Government activity |
NSN 5930-01-128-3727 is a Switch,pressure, classified under FSC 5930, Switches. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5930-01-168-0775. Verify interchangeability with system specifications before substitution.
Key specifications for 5930-01-128-3727: Width Across Flats: 0.813 INCHES NOMINAL IN; Contact Action Stimulus: INCREASE; Terminal Type: CONNECTOR, RECEPTACLE; Overall Diameter: 1.000 INCHES MAXIMUM IN. 25 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.