The Switch,pressure, cataloged under National Stock Number 5930-01-044-9251, 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 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5930-01-044-9251 |
| Primary Part Number | 675DH958S |
| Item Name | Switch,pressure |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Custom Control Sensors, Llc |
| Status | ACTIVE |
| Contact Action Stimulus | INCREASE |
| Terminal Type | WIRE LEAD |
| Mounting Facility Pattern | THREE POSITION CIRCULAR |
| Overall Diameter | 5.000 INCHES NOMINAL IN |
| Proof Pressure | 15.00 POUNDS PER SQUARE INCH ABSOLUTE LBS |
| Mounting Facility Circle Radius | 2.080 INCHES NOMINAL IN |
| Contact Load Current Rating | 15.0 AMPERES RESISTIVE LOAD FIRST VOLTAGE |
| Contact Load Current Rating | 400.0 MILLIAMPERES RESISTIVE LOAD SECOND VOLTAGE |
| Mounting Method | THREADED STUD(S) |
| Contact Adjustment Range | +1.50 TO 30.00 ACTUATION POINT INCHES OF WATER AND +0.50 TO 27.00 DEACTUATION POINT INCHES OF WATER |
| Pressure Switch Type | DIFFERENTIAL |
| Contact Adjustment Type | EXTERNAL DEACTUATION POINT HEX NUT AND EXTERNAL ACTUATION POINT HEX NUT |
| Features Provided | HERMETICALLY SEALED CASE AND ELECTRICAL ACCESS PORT |
| Nominal Thread Size | 0.250 INCHES SINGLE PRESSURE CONNECTION IN |
| Nominal Thread Size | 0.190 INCHES ALL THREADED STUD IN |
| Pressure Connector Type | GASKET SEAL, THREADED INTERNAL SINGLE CONNECTION |
| Operating Temp Rating | -30.0 FAHRENHEIT MINIMUM AND 160.0 FAHRENHEIT MAXIMUM DEGF |
| Nonpile-Up Contact Arrangement | 1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY |
| Media for Which Designed | GAS OR LIQUID |
| Thread Class | 3A ALL THREADED STUD A |
| Thread Quantity Per Inch | 18 SINGLE PRESSURE CONNECTION |
| Thread Quantity Per Inch | 32 ALL THREADED STUD |
| Thread Series Designator | NPT SINGLE PRESSURE CONNECTION |
| Thread Series Designator | UNF ALL THREADED STUD |
| Contact Adjustability | DEACTUATION POINT ADJUSTABLE AND ACTUATION POINT ADJUSTABLE |
| Contact Voltage Rating in Volts | 480.0 AC AT SEA LEVEL FIRST VOLTAGE |
| Contact Voltage Rating in Volts | 125.0 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 |
|---|---|
| 675DH958S | Custom Control Sensors, Llc (USA) |
| Reference | Meaning |
|---|---|
| 75096 | 5/2 Secondary reference U.S. Government activity |
| 13220E8074-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5930-01-044-9251 is a Switch,pressure, manufactured by Custom Control Sensors, Llc, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-044-9251 has 1 manufacturer part number on file: 675DH958S (Custom Control Sensors, Llc).
1 possible match (shared part number, not a government interchangeability claim): 3825-01-113-3521. Verify interchangeability with system specifications before substitution.
Key specifications for 675DH958S: Contact Action Stimulus: INCREASE; Terminal Type: WIRE LEAD; Mounting Facility Pattern: THREE POSITION CIRCULAR; Overall Diameter: 5.000 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.