The Switch,thermostatic, cataloged under National Stock Number 5930-01-659-4308, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5930-01-659-4308 |
| Item Name | Switch,thermostatic |
| FSC / FSG | 5930 / 59 — Switches |
| Status | ACTIVE |
| Body Diameter | 27.0 MILLIMETERS NOMINAL MM |
| Width Across Flats | 27.0 MILLIMETERS NOMINAL MM |
| Terminal Type | CONNECTOR, RECEPTACLE |
| Mounting Method | THREADED HOLE(S) |
| Style Designator | CYLINDRICAL W/FLANGE |
| Temp Sensing Element Type | INTERNAL SENSOR |
| Contact Adjustment Type | EXTERNAL ACTUATION POINT LOCK RING AND EXTERNAL DEACTUATION POINT LOCK RING |
| Nominal Thread Size | 18.0 MILLIMETERS SINGLE THREADED STUD MM |
| Body Length | 48.0 MILLIMETERS NOMINAL MM |
| Operating Temp Rating | -25.0 CELSIUS MINIMUM AND 70.0 CELSIUS MAXIMUM DEGC |
| Media for Which Designed | LIQUID |
| Thread Series Designator | NPT SINGLE THREADED STUD |
| Contact Adjustability | ACTUATION POINT ADJUSTABLE AND DEACTUATION POINT ADJUSTABLE |
| 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 |
|---|---|
| TSD25N-AP-0284-H | C/1 Advisory reference — outside the item-of-supply concept Koyo Electronics Industries Co., Ltd. |
| TSD25N-AP-0284-H | 3/9 Design control — primary reference Koyo Electronics Industries Co., Ltd. |
NSN 5930-01-659-4308 is a Switch,thermostatic, classified under FSC 5930, Switches. Status: active.
Key specifications for 5930-01-659-4308: Body Diameter: 27.0 MILLIMETERS NOMINAL MM; Width Across Flats: 27.0 MILLIMETERS NOMINAL MM; Terminal Type: CONNECTOR, RECEPTACLE; Mounting Method: THREADED HOLE(S). 13 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.