The Switch,thermostatic, cataloged under National Stock Number 5930-00-903-1909, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 10 items share a part number with this NSN in the catalog (possible match — not a government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 | 5930-00-903-1909 |
| Item Name | Switch,thermostatic |
| FSC / FSG | 5930 / 59 — Switches |
| Status | ACTIVE |
| Body Diameter | 0.245 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| Width Across Flats | 0.500 INCHES NOMINAL IN |
| Frequency in Hertz | 60.0 SINGLE VOLTAGE |
| Contact Action Stimulus | INCREASE |
| Terminal Type | WIRE LEAD |
| Contact Load Current Rating | 1.0 AMPERES RESISTIVE LOAD SINGLE VOLTAGE |
| Mounting Method | IMMERSION WELL |
| Style Designator | CYLINDRICAL |
| Temp Sensing Element Type | INTERNAL SENSOR |
| Body Length | 1.843 INCHES NOMINAL IN |
| Operating Temp Rating | -50.0 FAHRENHEIT MINIMUM AND 500.0 FAHRENHEIT MAXIMUM DEGF |
| Nonpile-Up Contact Arrangement | 1 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION |
| Media for Which Designed | LIQUID |
| Contact Stimulus Rating | 1.00 DIFFERENTIAL POINT NOMINAL DEGREES FAHRENHEIT |
| Contact Adjustability | DEACTUATION POINT NOT ADJUSTABLE |
| Contact Voltage Rating in Volts | 115.0 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 |
| Reference | Meaning |
|---|---|
| MIL-S-24236/11 | 5/9 Secondary reference U.S. Government activity |
| B5-59-392 | 5/9 Secondary reference U.S. Government activity |
| 67100-0-200 | 5/9 Secondary reference Kidde Technologies, Inc Dba Fenwal Safety Systems Div Fenwall Safety Systems |
| M24236/11-CBJC | 2/2 Government specification standardization U.S. Government activity |
| MIL-PRF-24236/11 | 4/1 Identification reference U.S. Government activity |
NSN 5930-00-903-1909 is a Switch,thermostatic, classified under FSC 5930, Switches. Status: active.
10 possible matches (shared part number, not a government interchangeability claim): 5930-01-111-1364, 5930-01-260-1841, 5930-01-313-1409. Verify interchangeability with system specifications before substitution.
Key specifications for 5930-00-903-1909: Body Diameter: 0.245 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN; Width Across Flats: 0.500 INCHES NOMINAL IN; Frequency in Hertz: 60.0 SINGLE VOLTAGE; Contact Action Stimulus: INCREASE. 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.