The Switch,thermostatic, cataloged under National Stock Number 5930-00-055-3259, 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16 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-00-055-3259 |
| Item Name | Switch,thermostatic |
| FSC / FSG | 5930 / 59 — Switches |
| Status | ACTIVE |
| Frequency in Hertz | 60.0 SINGLE VOLTAGE |
| Contact Action Stimulus | INCREASE |
| Terminal Type | TAB, SOLDER LUG |
| Mounting Facility Pattern | THREE POSITION CIRCULAR |
| Mounting Facility Circle Radius | 0.625 INCHES NOMINAL IN |
| Contact Load Current Rating | 5.0 AMPERES RESISTIVE LOAD SINGLE VOLTAGE |
| Mounting Method | FLANGE AND UNTHREADED HOLE(S) |
| Flange Overall Width | 1.438 INCHES NOMINAL IN |
| Unthreaded Mounting Hole Diameter | 0.234 INCHES NOMINAL IN |
| Style Designator | CYLINDRICAL W/FLANGE |
| Temp Sensing Element Type | INTERNAL SENSOR |
| Nonpile-Up Contact Arrangement | 1 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION |
| Media for Which Designed | GAS OR LIQUID |
| Contact Stimulus Rating | 90.00 ACTUATION POINT NOMINAL DEGREES CELSIUS AND 89.00 DEACTUATION POINT NOMINAL DEGREES FAHRENHEIT |
| Contact Adjustability | DEACTUATION POINT NOT ADJUSTABLE AND ACTUATION POINT NOT ADJUSTABLE |
| Contact Voltage Rating in Volts | 250.0 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 |
|---|---|
| C8-F | 5/1 Secondary reference U.S. Government activity |
| 71-0240 | 3/2 Design control — primary reference U.S. Government activity |
| 90-11100-024 | 5/2 Secondary reference U.S. Government activity |
| 71-0240 | 5/2 Secondary reference U.S. Government activity |
NSN 5930-00-055-3259 is a Switch,thermostatic, classified under FSC 5930, Switches. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 2840-00-138-9395. Verify interchangeability with system specifications before substitution.
Key specifications for 5930-00-055-3259: Frequency in Hertz: 60.0 SINGLE VOLTAGE; Contact Action Stimulus: INCREASE; Terminal Type: TAB, SOLDER LUG; Mounting Facility Pattern: THREE POSITION CIRCULAR. 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.