The Switch,thermostatic, cataloged under National Stock Number 5930-01-123-2909, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5930-01-123-2909 |
| Item Name | Switch,thermostatic |
| FSC / FSG | 5930 / 59 — Switches |
| Status | ACTIVE |
| Body Diameter | 0.610 INCHES MAXIMUM IN |
| Width Across Flats | 0.875 INCHES MINIMUM AND 0.940 INCHES MAXIMUM IN |
| Terminal Type | CONNECTOR, PLUG |
| Mounting Method | THREADED BUSHING |
| Thread Length | 0.760 INCHES NOMINAL SINGLE THREADED BUSHING IN |
| Temp Sensing Element Type | INTERNAL SENSOR |
| Nominal Thread Size | 0.500 INCHES SINGLE THREADED BUSHING IN |
| Specification/standard Data | 81349-MIL-S-12285/2 GOVERNMENT SPECIFICATION |
| Body Length | 1.010 INCHES NOMINAL IN |
| Media for Which Designed | GAS OR LIQUID |
| Test Data Document | 81349-MIL-S-12285 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
| Contact Stimulus Rating | 225.00 ACTUATION POINT NOMINAL DEGREES FAHRENHEIT AND 220.00 DEACTUATION POINT NOMINAL DEGREES FAHRENHEIT |
| Thread Quantity Per Inch | 14 SINGLE THREADED BUSHING |
| Thread Series Designator | NPTF SINGLE THREADED BUSHING |
| Contact Adjustability | DEACTUATION POINT NOT ADJUSTABLE AND ACTUATION POINT NOT ADJUSTABLE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 10397030 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| M12285/2-4 | 2/2 Government specification standardization U.S. Government activity |
| MIL-S-12285/2 | 5/9 Secondary reference U.S. Government activity |
| MIL-DTL-12285/2 | 4/1 Identification reference U.S. Government activity |
NSN 5930-01-123-2909 is a Switch,thermostatic, classified under FSC 5930, Switches. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 5930-01-168-3231, 5930-01-449-5970. Verify interchangeability with system specifications before substitution.
Key specifications for 5930-01-123-2909: Body Diameter: 0.610 INCHES MAXIMUM IN; Width Across Flats: 0.875 INCHES MINIMUM AND 0.940 INCHES MAXIMUM IN; Terminal Type: CONNECTOR, PLUG; Mounting Method: THREADED BUSHING. 15 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.
NSN 5930-01-123-2909 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.