The Switch,thermostatic, cataloged under National Stock Number 5930-00-678-2746, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Sensor Systems, L.l.c. Dba Sensor Systems Llc. Government technical data includes 19 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-00-678-2746 |
| Primary Part Number | 500225-4 |
| Item Name | Switch,thermostatic |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Sensor Systems, L.l.c. Dba Sensor Systems Llc |
| Status | ACTIVE |
| Body Diameter | 0.609 INCHES NOMINAL IN |
| Contact Action Stimulus | DECREASE |
| Terminal Type | TAB, SOLDER LUG |
| Mounting Facility Pattern | TWO POSITION IN-LINE |
| Contact Load Current Rating | 1.5 AMPERES RESISTIVE LOAD FIRST VOLTAGE |
| Contact Load Current Rating | 1.5 AMPERES RESISTIVE LOAD SECOND VOLTAGE |
| Mounting Method | BRACKET(S) AND UNTHREADED HOLE(S) |
| Body Height | 0.305 INCHES NOMINAL IN |
| Unthreaded Mounting Hole Diameter | 0.109 INCHES NOMINAL IN |
| Style Designator | DISC W/FLANGE |
| Temp Sensing Element Type | INTERNAL SENSOR |
| Features Provided | HERMETICALLY SEALED CASE |
| Distance Between Mounting Facility Centers | 0.938 INCHES NOMINAL IN |
| Nonpile-Up Contact Arrangement | 1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION |
| Media for Which Designed | GAS |
| Contact Stimulus Rating | 23.00 ACTUATION POINT NOMINAL DEGREES CELSIUS AND 17.00 DEACTUATION POINT NOMINAL DEGREES CELSIUS AND 6.00 DIFFERENTIAL POINT NOMINAL DEGREES CELSIUS |
| Contact Adjustability | DEACTUATION POINT NOT ADJUSTABLE AND ACTUATION POINT NOT ADJUSTABLE |
| Contact Voltage Rating in Volts | 30.0 DC AT SEA LEVEL SECOND VOLTAGE |
| Contact Voltage Rating in Volts | 115.0 AC AT SEA LEVEL FIRST 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 |
|---|---|
| 500225-4 PRIMARY | Sensor Systems, L.l.c. Dba Sensor Systems Llc (USA) |
| Reference | Meaning |
|---|---|
| A605 CLOSE 65DEGC OPEN 53DEGC | 5/9 Secondary reference U.S. Government activity |
NSN 5930-00-678-2746 is a Switch,thermostatic, manufactured by Sensor Systems, L.l.c. Dba Sensor Systems Llc, classified under FSC 5930, Switches. Status: active.
NSN 5930-00-678-2746 has 1 manufacturer part number on file: 500225-4 (Sensor Systems, L.l.c. Dba Sensor Systems Llc).
Key specifications for 500225-4: Body Diameter: 0.609 INCHES NOMINAL IN; Overall Height: 0.609 INCHES MAXIMUM IN; Contact Action Stimulus: DECREASE; Terminal Type: TAB, SOLDER LUG. 19 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.