The Switch,thermostatic, cataloged under National Stock Number 5930-01-025-9647, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. Government technical data includes 27 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-01-025-9647 |
| Item Name | Switch,thermostatic |
| FSC / FSG | 5930 / 59 — Switches |
| Status | ACTIVE |
| Contact Action Stimulus | INCREASE |
| Terminal Type | SCREW |
| Mounting Facility Pattern | TWO POSITION DIAGONAL |
| Bulb Length | 4.125 INCHES NOMINAL IN |
| Bulb Diameter | 0.375 INCHES NOMINAL IN |
| Contact Load Current Rating | 10.0 AMPERES RESISTIVE LOAD SECOND VOLTAGE |
| Contact Load Current Rating | 3.0 AMPERES RESISTIVE LOAD FIRST VOLTAGE |
| Contact Load Current Rating | 500.0 MILLIAMPERES RESISTIVE LOAD THIRD VOLTAGE |
| Mounting Method | THREADED HOLE(S) |
| Contact Adjustment Range | +50.00 TO 250.00 ACTUATION POINT DEGREES FAHRENHEIT AND +48.00 TO 248.00 DEACTUATION POINT DEGREES FAHRENHEIT |
| Body Height | 3.812 INCHES NOMINAL IN |
| Style Designator | RECTANGULAR |
| Longest Vertical Distance Between Mounting Centers | 2.438 INCHES NOMINAL IN |
| Temp Sensing Element Type | CAPILLARY TUBE-BULB |
| Contact Adjustment Type | EXTERNAL DEACTUATION POINT SCREW AND EXTERNAL ACTUATION POINT SCREW |
| Features Provided | TAMPER PROOF CAP |
| Nominal Thread Size | 0.164 INCHES ALL THREADED HOLE IN |
| Capillary Tube Length | 72.0 INCHES NOMINAL IN |
| Nonpile-Up Contact Arrangement | 1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY |
| Media for Which Designed | GAS OR LIQUID |
| Thread Class | 2B ALL THREADED HOLE |
| Thread Quantity Per Inch | 32 ALL THREADED HOLE |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) ALL THREADED HOLE |
| Contact Adjustability | DEACTUATION POINT ADJUSTABLE AND ACTUATION POINT ADJUSTABLE |
| Contact Voltage Rating in Volts | 480.0 AC AT SEA LEVEL FIRST VOLTAGE |
| Contact Voltage Rating in Volts | 24.0 DC AT SEA LEVEL THIRD VOLTAGE |
| Contact Voltage Rating in Volts | 250.0 AC AT SEA LEVEL SECOND VOLTAGE |
| 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 |
|---|---|
| MT1H-M251SA | 3/2 Design control — primary reference U.S. Government activity |
| T1HM251SA | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 5930-01-025-9647 is a Switch,thermostatic, classified under FSC 5930, Switches. Status: active.
Key specifications for 5930-01-025-9647: Overall Height: 7.312 INCHES NOMINAL IN; Contact Action Stimulus: INCREASE; Terminal Type: SCREW; Mounting Facility Pattern: TWO POSITION DIAGONAL. 27 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.