The Switch,pressure, cataloged under National Stock Number 5930-01-079-9608, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Custom Control Sensors, Llc. Government technical data includes 26 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-01-079-9608 |
| Primary Part Number | 250F129-5 |
| Item Name | Switch,pressure |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Custom Control Sensors, Llc |
| Status | ACTIVE |
| Body Diameter | 2.370 INCHES MAXIMUM IN |
| Contact Action Stimulus | INCREASE |
| Terminal Type | CONNECTOR, RECEPTACLE |
| Proof Pressure | 150.00 POUNDS PER SQUARE INCH GAGE LBS |
| Contact Load Current Rating | 25.0 MILLIAMPERES INDUCTIVE LOAD FIRST VOLTAGE |
| Contact Load Current Rating | 50.0 MILLIAMPERES INDUCTIVE LOAD SECOND VOLTAGE |
| Mounting Method | INLET CONNECTION AND TERMINAL |
| Contact Adjustment Range | +20.00 TO 150.00 ACTUATION POINT POUNDS PER SQUARE INCH GAGE AND +20.00 TO 150.00 DEACTUATION POINT POUNDS PER SQUARE INCH GAGE |
| Thread Length | 0.758 INCHES NOMINAL SINGLE PRESSURE CONNECTION IN |
| Body Height | 1.492 INCHES MAXIMUM IN |
| Style Designator | CYLINDRICAL |
| Outside Diameter | 0.875 INCHES NOMINAL SINGLE CONNECTION IN |
| Pressure Switch Type | DIFFERENTIAL |
| Contact Adjustment Type | INTERNAL DEACTUATION POINT SCREW AND INTERNAL ACTUATION POINT SCREW |
| Nominal Thread Size | 0.875 INCHES SINGLE PRESSURE CONNECTION IN |
| Pressure Connector Type | FLARED, THREADED EXTERNAL SINGLE CONNECTION |
| Operating Temp Rating | 32.0 FAHRENHEIT MINIMUM AND 180.0 FAHRENHEIT MAXIMUM DEGF |
| 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 | 0.40 ACTUATION POINT NOMINAL GALLONS PER MINUTE AND 0.30 DEACTUATION POINT NOMINAL GALLONS PER MINUTE |
| Thread Quantity Per Inch | 14 SINGLE PRESSURE CONNECTION |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) SINGLE PRESSURE CONNECTION |
| Contact Adjustability | DEACTUATION POINT ADJUSTABLE, PRESET AND ACTUATION POINT ADJUSTABLE, PRESET |
| Contact Voltage Rating in Volts | 50.0 DC AT SEA LEVEL SECOND VOLTAGE |
| Contact Voltage Rating in Volts | 115.0 DC AT SEA LEVEL FIRST VOLTAGE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 250F129-5 PRIMARY | Custom Control Sensors, Llc (USA) |
| Reference | Meaning |
|---|---|
| 1204868-5 | 5/9 Secondary reference Lockheed Martin Corporation Div Rms - Mitchel Field |
| 5347518-5 | 7/2 Vendor item drawing reference Naval Sea Systems Command |
NSN 5930-01-079-9608 is a Switch,pressure, manufactured by Custom Control Sensors, Llc, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-079-9608 has 1 manufacturer part number on file: 250F129-5 (Custom Control Sensors, Llc).
Key specifications for 250F129-5: Body Diameter: 2.370 INCHES MAXIMUM IN; Overall Height: 2.750 INCHES MAXIMUM IN; Contact Action Stimulus: INCREASE; Terminal Type: CONNECTOR, RECEPTACLE. 26 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.
NSN 5930-01-079-9608 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.