The Switch,pressure, cataloged under National Stock Number 5930-00-261-7964, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 24 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5930-00-261-7964 |
| Primary Part Number | ST5M1312-001 |
| Item Name | Switch,pressure |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Contact Action Stimulus | DECREASE |
| Terminal Type | CONNECTOR, RECEPTACLE |
| Overall Diameter | 1.420 INCHES MAXIMUM IN |
| Proof Pressure | 28.00 POUNDS PER SQUARE INCH LBS |
| Contact Load Current Rating | 100.0 MILLIAMPERES RESISTIVE LOAD SINGLE VOLTAGE |
| Mounting Method | CLAMP |
| Thread Length | 0.250 INCHES NOMINAL SINGLE PRESSURE CONNECTION IN |
| Sensing Element Burst Pressure | 48.00 POUNDS PER SQUARE INCH LBS |
| Style Designator | CYLINDRICAL |
| Outside Diameter | 0.438 INCHES NOMINAL SINGLE CONNECTION IN |
| Pressure Switch Type | ABSOLUTE |
| Nominal Thread Size | 0.4375 INCHES SINGLE PRESSURE CONNECTION IN |
| Body Length | 2.000 INCHES MAXIMUM IN |
| Pressure Connector Type | FLARED, THREADED EXTERNAL SINGLE CONNECTION |
| Operating Temp Rating | -65.0 FAHRENHEIT MINIMUM AND 160.0 FAHRENHEIT MAXIMUM DEGF |
| Nonpile-Up Contact Arrangement | 1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION |
| Media for Which Designed | GAS |
| Thread Class | 3A SINGLE PRESSURE CONNECTION A |
| Test Data Document | 81349-MILS9395 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 | 11.50 ACTUATION POINT NOMINAL POUNDS PER SQUARE INCH ABSOLUTE AND 12.50 DEACTUATION POINT NOMINAL POUNDS PER SQUARE INCH ABSOLUTE AND 1.00 DIFFERENTIAL POINT NOMINAL POUNDS PER SQUARE INCH ABSOLUTE |
| Thread Quantity Per Inch | 20 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 |
| Part Number | Manufacturer |
|---|---|
| 8A819 | Custom Control Sensors, Llc (USA) |
| 214C40-1-32 | Eaton Aerospace Llc Dba Eaton Inoac Div Fluid & Electrical Distribution (USA) |
| ST5M1312-001 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| 1500P6 | 5/2 Secondary reference U.S. Government activity |
NSN 5930-00-261-7964 is a Switch,pressure, manufactured by The Boeing Company Div Defense, classified under FSC 5930, Switches. Status: active.
NSN 5930-00-261-7964 has 3 manufacturer part numbers on file: 8A819 (Custom Control Sensors, Llc), 214C40-1-32 (Eaton Aerospace Llc Dba Eaton Inoac Div Fluid & Electrical Distribution), ST5M1312-001 (The Boeing Company Div Defense).
Key specifications for ST5M1312-001: Contact Action Stimulus: DECREASE; Terminal Type: CONNECTOR, RECEPTACLE; Overall Diameter: 1.420 INCHES MAXIMUM IN; Proof Pressure: 28.00 POUNDS PER SQUARE INCH LBS. 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.