The Switch,pressure, cataloged under National Stock Number 5930-01-049-0713, 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 29 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 11 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-01-049-0713 |
| Primary Part Number | 675DH959 |
| Item Name | Switch,pressure |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Custom Control Sensors, Llc |
| Status | ACTIVE |
| Contact Action Stimulus | INCREASE |
| Terminal Type | CONNECTOR, RECEPTACLE |
| Mounting Facility Pattern | THREE POSITION CIRCULAR |
| Overall Diameter | 5.000 INCHES NOMINAL IN |
| Proof Pressure | 15.00 POUNDS PER SQUARE INCH LBS |
| Mounting Facility Circle Radius | 4.600 INCHES NOMINAL IN |
| Contact Load Current Rating | 15.0 AMPERES RESISTIVE LOAD FIRST VOLTAGE |
| Contact Load Current Rating | 15.0 AMPERES RESISTIVE LOAD THIRD VOLTAGE |
| Contact Load Current Rating | 15.0 AMPERES RESISTIVE LOAD SECOND VOLTAGE |
| Contact Load Current Rating | 200.0 MILLIAMPERES RESISTIVE LOAD FIFTH VOLTAGE |
| Contact Load Current Rating | 400.0 MILLIAMPERES RESISTIVE LOAD FOURTH 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 |
| Thread Length | 0.560 INCHES NOMINAL ALL THREADED STUD IN |
| Style Designator | CYLINDRICAL |
| Outside Diameter | 0.250 INCHES NOMINAL SINGLE CONNECTION IN |
| Pressure Switch Type | DIFFERENTIAL |
| Contact Adjustment Type | EXTERNAL DEACTUATION POINT HEX NUT AND EXTERNAL ACTUATION POINT HEX NUT |
| Features Provided | ELECTRICAL ACCESS PORT AND HERMETICALLY SEALED CASE |
| Nominal Thread Size | 0.250 INCHES SINGLE PRESSURE CONNECTION IN |
| Nominal Thread Size | 0.190 INCHES ALL THREADED STUD IN |
| Body Length | 3.520 INCHES MAXIMUM IN |
| Pressure Connector Type | PLAIN, THREADED EXTERNAL SINGLE CONNECTION |
| Nonpile-Up Contact Arrangement | 1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY |
| Media for Which Designed | LIQUID |
| Thread Class | 3B SINGLE PRESSURE CONNECTION |
| Thread Class | 3B ALL THREADED STUD |
| Contact Stimulus Rating | 19.50 ACTUATION POINT NOMINAL INCHES OF WATER AND 15.50 DEACTUATION POINT NOMINAL INCHES OF WATER AND 4.00 DIFFERENTIAL POINT NOMINAL INCHES OF WATER |
| Thread Quantity Per Inch | 14 SINGLE PRESSURE CONNECTION |
| 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 |
|---|---|
| 675DH959 | Custom Control Sensors, Llc (USA) |
| Reference | Meaning |
|---|---|
| 675DH959S | 5/9 Secondary reference Custom Control Sensors, Llc |
| 75097 | 5/2 Secondary reference U.S. Government activity |
| 13220E8074-2 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5930-01-049-0713 is a Switch,pressure, manufactured by Custom Control Sensors, Llc, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-049-0713 has 1 manufacturer part number on file: 675DH959 (Custom Control Sensors, Llc).
11 possible matches (shared part number, not a government interchangeability claim): 4730-01-420-3306, 2825-01-420-5223, 3040-01-420-5224. Verify interchangeability with system specifications before substitution.
Key specifications for 675DH959: Contact Action Stimulus: INCREASE; Terminal Type: CONNECTOR, RECEPTACLE; Mounting Facility Pattern: THREE POSITION CIRCULAR; Overall Diameter: 5.000 INCHES NOMINAL IN. 29 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.