The Switch,pressure, cataloged under National Stock Number 5930-01-111-9508, 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 16 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5930-01-111-9508 |
| Primary Part Number | 250F51-8 |
| Item Name | Switch,pressure |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Custom Control Sensors, Llc |
| Status | ACTIVE |
| Contact Action Stimulus | INCREASE |
| Proof Pressure | 150.00 POUNDS PER SQUARE INCH LBS |
| Mounting Method | INLET CONNECTION AND OUTLET CONNECTION |
| Sensing Element Burst Pressure | 150.00 POUNDS PER SQUARE INCH LBS |
| Pressure Switch Type | DIFFERENTIAL |
| Nominal Thread Size | 1.312 INCHES SINGLE PRESSURE CONNECTION IN |
| Pressure Connector Type | FLARED, THREADED EXTERNAL SINGLE CONNECTION |
| Operating Temp Rating | -4.0 FAHRENHEIT MINIMUM AND 149.0 FAHRENHEIT MAXIMUM DEGF |
| Nonpile-Up Contact Arrangement | 1 POLE, DOUBLE THROW, BOTH POSITIONS MAINTAINED |
| Thread Class | 3A SINGLE PRESSURE CONNECTION A |
| Contact Stimulus Rating | 14.000 ACTUATION POINT NOMINAL GALLONS PER MINUTE |
| Thread Quantity Per Inch | 12 SINGLE PRESSURE CONNECTION |
| Thread Series Designator | UN SINGLE PRESSURE CONNECTION |
| Contact Adjustability | DEACTUATION POINT NOT ADJUSTABLE AND ACTUATION POINT NOT ADJUSTABLE |
| Contact Voltage Rating in Volts | 115.0 AC AT SEA LEVEL FIRST VOLTAGE |
| Contact Voltage Rating in Volts | 50.0 DC AT SEA LEVEL SECOND 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 |
|---|---|
| 250F51-8 PRIMARY | Custom Control Sensors, Llc (USA) |
| Reference | Meaning |
|---|---|
| 5475479 | 7/2 Vendor item drawing reference Naval Sea Systems Command |
| 1202641 | 5/9 Secondary reference Lockheed Martin Corporation Div Rms - Mitchel Field |
NSN 5930-01-111-9508 is a Switch,pressure, manufactured by Custom Control Sensors, Llc, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-111-9508 has 1 manufacturer part number on file: 250F51-8 (Custom Control Sensors, Llc).
Key specifications for 250F51-8: Contact Action Stimulus: INCREASE; Proof Pressure: 150.00 POUNDS PER SQUARE INCH LBS; Mounting Method: INLET CONNECTION AND OUTLET CONNECTION; Sensing Element Burst Pressure: 150.00 POUNDS PER SQUARE INCH LBS. 16 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.