The Switch,pressure, cataloged under National Stock Number 5930-01-187-8573, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. Government technical data includes 25 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 5930-01-187-8573 |
| Item Name | Switch,pressure |
| FSC / FSG | 5930 / 59 — Switches |
| Status | ACTIVE |
| Body Diameter | 7.750 INCHES NOMINAL IN |
| Frequency in Hertz | 60.0 FIRST VOLTAGE |
| Contact Action Stimulus | INCREASE |
| Terminal Type | SCREW |
| Mounting Facility Pattern | FOUR POSITION RECTANGULAR |
| Contact Load Current Rating | 15.0 AMPERES RESISTIVE LOAD FIRST VOLTAGE |
| Contact Load Current Rating | 15.0 AMPERES RESISTIVE LOAD SECOND VOLTAGE |
| Mounting Method | BRACKET(S) AND UNTHREADED HOLE(S) |
| Contact Adjustment Range | +1.00 TO 3.00 ACTUATION POINT INCHES OF WATER |
| Unthreaded Mounting Hole Diameter | 0.281 INCHES NOMINAL IN |
| Style Designator | CYLINDRICAL W/BRACKET |
| Longest Vertical Distance Between Mounting Centers | 3.000 INCHES NOMINAL IN |
| Pressure Switch Type | DIFFERENTIAL |
| Contact Adjustment Type | EXTERNAL ACTUATION POINT SCREW WITH SCALE |
| Nominal Thread Size | 0.125 INCHES ALL PRESSURE CONNECTION IN |
| Pressure Connector Type | PLAIN, THREADED INTERNAL ALL CONNECTIONS |
| Operating Temp Rating | -30.0 FAHRENHEIT MINIMUM AND 110.0 FAHRENHEIT MAXIMUM DEGF |
| Inside Diameter | 0.250 INCHES NOMINAL ALL CONNECTIONS IN |
| Nonpile-Up Contact Arrangement | 1 POLE, DOUBLE THROW, BOTH POSITIONS MAINTAINED |
| Media for Which Designed | GAS OR LIQUID |
| Thread Series Designator | NPT ALL PRESSURE CONNECTION |
| Contact Adjustability | ACTUATION POINT ADJUSTABLE |
| Contact Voltage Rating in Volts | 480.0 AC AT SEA LEVEL SECOND VOLTAGE |
| Contact Voltage Rating in Volts | 120.0 AC AT SEA LEVEL FIRST VOLTAGE |
| Longest Horizontal Distance Between Mounting Centers | 2.000 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 1638-2 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5930-01-187-8573 is a Switch,pressure, classified under FSC 5930, Switches. Status: active.
3 possible matches (shared part number, not a government interchangeability claim): 1560-01-309-0062, 5985-01-386-5831, 5330-01-429-4860. Verify interchangeability with system specifications before substitution.
Key specifications for 5930-01-187-8573: Body Diameter: 7.750 INCHES NOMINAL IN; Overall Height: 7.750 INCHES NOMINAL IN; Frequency in Hertz: 60.0 FIRST VOLTAGE; Contact Action Stimulus: INCREASE. 25 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.