The Switch,thermostatic, cataloged under National Stock Number 5930-00-931-9191, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is L3harris Technologies, Inc. Dba Harris Corporation. Government technical data includes 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-00-931-9191 |
| Primary Part Number | 4593805-1 |
| Item Name | Switch,thermostatic |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | L3harris Technologies, Inc. Dba Harris Corporation |
| Status | ACTIVE |
| Body Diameter | 0.750 INCHES NOMINAL IN |
| Contact Action Stimulus | INCREASE |
| Terminal Type | TAB, SOLDER LUG |
| Mounting Facility Pattern | TWO POSITION IN-LINE |
| Contact Load Current Rating | 3.0 AMPERES RESISTIVE LOAD SINGLE VOLTAGE |
| Mounting Method | FLANGE AND UNTHREADED HOLE(S) |
| Body Height | 0.340 INCHES NOMINAL IN |
| Style Designator | DISC W/FLANGE |
| Temp Sensing Element Type | INTERNAL SENSOR |
| Distance Between Mounting Facility Centers | 1.031 INCHES NOMINAL IN |
| Nonpile-Up Contact Arrangement | 1 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION |
| Media for Which Designed | GAS OR LIQUID |
| Contact Stimulus Rating | 240.00 ACTUATION POINT NOMINAL DEGREES FAHRENHEIT AND 3.00 DEACTUATION POINT NOMINAL DEGREES FAHRENHEIT |
| Contact Adjustability | DEACTUATION POINT NOT ADJUSTABLE AND ACTUATION POINT NOT ADJUSTABLE |
| Contact Voltage Rating in Volts | 115.0 AC AT SEA LEVEL SINGLE VOLTAGE |
| Mounting Slot Width | 0.125 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 |
| Part Number | Manufacturer |
|---|---|
| 28NP-NC | Lockheed Martin Librascope Corporation (USA) |
| 4593805-1 PRIMARY | L3harris Technologies, Inc. Dba Harris Corporation (USA) |
| Reference | Meaning |
|---|---|
| 4593805-1 | 5/9 Secondary reference Itt Industries Inc Itt Aerospace Communications Div East |
NSN 5930-00-931-9191 is a Switch,thermostatic, manufactured by L3harris Technologies, Inc. Dba Harris Corporation, classified under FSC 5930, Switches. Status: active.
NSN 5930-00-931-9191 has 2 manufacturer part numbers on file: 28NP-NC (Lockheed Martin Librascope Corporation), 4593805-1 (L3harris Technologies, Inc. Dba Harris Corporation).
Key specifications for 4593805-1: Body Diameter: 0.750 INCHES NOMINAL IN; Overall Height: 0.560 INCHES NOMINAL IN; Contact Action Stimulus: INCREASE; Terminal Type: TAB, SOLDER LUG. 16 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.