The Switch,pressure, cataloged under National Stock Number 5930-00-770-9386, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Setra Systems, Inc. Dba Gems Sensors. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5930-00-770-9386 |
| Primary Part Number | LS433-3 |
| Item Name | Switch,pressure |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Setra Systems, Inc. Dba Gems Sensors |
| Status | ACTIVE |
| Body Diameter | 2.250 INCHES NOMINAL IN |
| Contact Action Stimulus | INCREASE |
| Terminal Type | CONNECTOR, RECEPTACLE |
| Mounting Facility Pattern | FOUR POSITION CIRCULAR |
| Overall Diameter | 5.562 INCHES NOMINAL IN |
| Mounting Facility Circle Radius | 2.219 INCHES NOMINAL IN |
| Contact Load Current Rating | 10.0 AMPERES RESISTIVE LOAD SINGLE VOLTAGE |
| Mounting Method | FLANGE AND UNTHREADED HOLE(S) |
| Unthreaded Mounting Hole Diameter | 0.562 INCHES NOMINAL IN |
| Style Designator | CYLINDRICAL |
| Pressure Switch Type | GAGE |
| Operating Temp Rating | -65.0 FAHRENHEIT MINIMUM AND 250.0 FAHRENHEIT MAXIMUM DEGF |
| Nonpile-Up Contact Arrangement | 1 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION |
| Media for Which Designed | LIQUID |
| Contact Stimulus Rating | 160.00 ACTUATION POINT MAXIMUM POUNDS PER SQUARE INCH AND 150.00 DEACTUATION POINT NOMINAL POUNDS PER SQUARE INCH AND 10.00 DIFFERENTIAL POINT NOMINAL POUNDS PER SQUARE INCH |
| Contact Adjustability | DEACTUATION POINT NOT ADJUSTABLE AND ACTUATION POINT NOT ADJUSTABLE |
| Contact Voltage Rating in Volts | 220.0 AC 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 |
|---|---|
| 27967 | Setra Systems, Inc. Dba Gems Sensors (USA) |
| LS433-3 PRIMARY | Setra Systems, Inc. Dba Gems Sensors (USA) |
| Reference | Meaning |
|---|---|
| LS433PC3IN | 5/1 Secondary reference Setra Systems, Inc. Dba Gems Sensors |
| CDLS433-3PCALL | 5/1 Secondary reference Setra Systems, Inc. Dba Gems Sensors |
NSN 5930-00-770-9386 is a Switch,pressure, manufactured by Setra Systems, Inc. Dba Gems Sensors, classified under FSC 5930, Switches. Status: active.
NSN 5930-00-770-9386 has 2 manufacturer part numbers on file: 27967 (Setra Systems, Inc. Dba Gems Sensors), LS433-3 (Setra Systems, Inc. Dba Gems Sensors).
1 possible match (shared part number, not a government interchangeability claim): 5330-01-103-8755. Verify interchangeability with system specifications before substitution.
Key specifications for LS433-3: Body Diameter: 2.250 INCHES NOMINAL IN; Contact Action Stimulus: INCREASE; Terminal Type: CONNECTOR, RECEPTACLE; Mounting Facility Pattern: FOUR POSITION CIRCULAR. 17 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.