The Switch,pressure, cataloged under National Stock Number 5930-00-115-7963, 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 27 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5930-00-115-7963 |
| Primary Part Number | DA64-S9 |
| Item Name | Switch,pressure |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | United Electric Controls Co Div Precision Sensors Division |
| Status | ACTIVE |
| Contact Action Stimulus | INCREASE |
| Terminal Type | CONNECTOR, RECEPTACLE |
| Mounting Facility Pattern | FOUR POSITION CIRCULAR |
| Overall Diameter | 2.500 INCHES NOMINAL IN |
| Proof Pressure | 15.00 POUNDS PER SQUARE INCH GAGE LBS |
| Mounting Facility Circle Radius | 0.750 INCHES NOMINAL IN |
| Contact Load Current Rating | 500.0 MILLIAMPERES RESISTIVE LOAD SINGLE VOLTAGE |
| Mounting Method | THREADED STUD(S) |
| Thread Length | 0.560 INCHES NOMINAL ALL THREADED STUD IN |
| Style Designator | CYLINDRICAL |
| Pressure Switch Type | DIFFERENTIAL |
| Nominal Thread Size | 0.438 INCHES ALL PRESSURE CONNECTION IN |
| Nominal Thread Size | 0.165 INCHES ALL THREADED STUD IN |
| Body Length | 1.850 INCHES MAXIMUM IN |
| Pressure Connector Type | PLAIN, THREADED INTERNAL ALL CONNECTIONS |
| Operating Temp Rating | -65.0 FAHRENHEIT MINIMUM AND 160.0 FAHRENHEIT MAXIMUM DEGF |
| Inside Diameter | 0.438 INCHES NOMINAL ALL CONNECTIONS IN |
| Nonpile-Up Contact Arrangement | 1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY |
| Media for Which Designed | GAS |
| Thread Class | 2A ALL THREADED STUD A |
| Thread Class | 3B ALL PRESSURE CONNECTION |
| Contact Stimulus Rating | 5.84 ACTUATION POINT NOMINAL INCHES OF MERCURY AND 5.20 DEACTUATION POINT NOMINAL INCHES OF MERCURY |
| Thread Quantity Per Inch | 32 ALL THREADED STUD |
| Thread Series Designator | UNF ALL PRESSURE CONNECTION |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) ALL THREADED STUD |
| Contact Adjustability | ACTUATION POINT NOT ADJUSTABLE AND DEACTUATION 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 |
|---|---|
| DA64-S9 | United Electric Controls Co Div Precision Sensors Division (USA) |
| Reference | Meaning |
|---|---|
| HE452-5039-0001 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5930-00-115-7963 is a Switch,pressure, manufactured by United Electric Controls Co Div Precision Sensors Division, classified under FSC 5930, Switches. Status: active.
NSN 5930-00-115-7963 has 1 manufacturer part number on file: DA64-S9 (United Electric Controls Co Div Precision Sensors Division).
Key specifications for DA64-S9: Contact Action Stimulus: INCREASE; Terminal Type: CONNECTOR, RECEPTACLE; Mounting Facility Pattern: FOUR POSITION CIRCULAR; Overall Diameter: 2.500 INCHES NOMINAL IN. 27 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.