The Switch,pressure, cataloged under National Stock Number 5930-01-083-1889, 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 14 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5930-01-083-1889 |
| Primary Part Number | 40D33 |
| Item Name | Switch,pressure |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Custom Control Sensors, Llc |
| Status | ACTIVE |
| Body Diameter | 2.300 INCHES NOMINAL IN |
| Contact Action Stimulus | INCREASE |
| Terminal Type | CONNECTOR, RECEPTACLE |
| Mounting Facility Pattern | TWO POSITION IN-LINE |
| Contact Load Current Rating | 600.0 MILLIAMPERES RESISTIVE LOAD SINGLE VOLTAGE |
| Mounting Method | UNTHREADED HOLE(S) |
| Unthreaded Mounting Hole Diameter | 0.200 INCHES NOMINAL IN |
| Pressure Switch Type | DIFFERENTIAL |
| Distance Between Mounting Facility Centers | 3.000 INCHES NOMINAL IN |
| Operating Temp Rating | -65.0 FAHRENHEIT MINIMUM AND 250.0 FAHRENHEIT MAXIMUM DEGF |
| Nonpile-Up Contact Arrangement | 1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY |
| Contact Stimulus Rating | 30.00 DEACTUATION POINT MINIMUM POUNDS PER SQUARE INCH GAGE AND 34.00 DEACTUATION POINT MAXIMUM POUNDS PER SQUARE INCH GAGE AND 36.00 ACTUATION POINT MAXIMUM POUNDS PER SQUARE INCH GAGE |
| Contact Adjustability | DEACTUATION POINT NOT ADJUSTABLE AND ACTUATION 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 |
|---|---|
| 40D33 PRIMARY | Custom Control Sensors, Llc (USA) |
| Reference | Meaning |
|---|---|
| 10-3269-4 | 5/2 Secondary reference U.S. Government activity |
NSN 5930-01-083-1889 is a Switch,pressure, manufactured by Custom Control Sensors, Llc, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-083-1889 has 1 manufacturer part number on file: 40D33 (Custom Control Sensors, Llc).
1 possible match (shared part number, not a government interchangeability claim): 5305-01-085-8198. Verify interchangeability with system specifications before substitution.
Key specifications for 40D33: Body Diameter: 2.300 INCHES NOMINAL IN; Overall Height: 2.885 INCHES NOMINAL IN; Contact Action Stimulus: INCREASE; Terminal Type: CONNECTOR, RECEPTACLE. 14 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.