The Switch,thermostatic, cataloged under National Stock Number 5930-00-855-4103, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. Government technical data includes 19 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5930-00-855-4103 |
| Item Name | Switch,thermostatic |
| FSC / FSG | 5930 / 59 — Switches |
| Status | ACTIVE |
| Body Diameter | 0.578 INCHES NOMINAL IN |
| Contact Action Stimulus | INCREASE |
| Terminal Type | TAB, SOLDER LUG |
| Mounting Facility Pattern | TWO POSITION IN-LINE |
| Contact Load Current Rating | 4.5 AMPERES RESISTIVE LOAD FIRST VOLTAGE |
| Contact Load Current Rating | 8.3 AMPERES RESISTIVE LOAD SECOND VOLTAGE |
| Mounting Method | BRACKET(S) AND UNTHREADED HOLE(S) |
| Body Height | 0.329 INCHES MINIMUM AND 0.350 INCHES MAXIMUM IN |
| Unthreaded Mounting Hole Diameter | 0.135 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN |
| Style Designator | DISC W/FLANGE |
| Temp Sensing Element Type | INTERNAL SENSOR |
| Features Provided | HERMETICALLY SEALED CASE |
| Distance Between Mounting Facility Centers | 0.938 INCHES NOMINAL IN |
| Nonpile-Up Contact Arrangement | 1 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION |
| Media for Which Designed | GAS OR LIQUID |
| Contact Stimulus Rating | 35.00 ACTUATION POINT NOMINAL DEGREES FAHRENHEIT AND 60.00 DEACTUATION POINT NOMINAL DEGREES FAHRENHEIT |
| Contact Adjustability | DEACTUATION POINT NOT ADJUSTABLE AND ACTUATION POINT NOT ADJUSTABLE |
| Contact Voltage Rating in Volts | 240.0 AC AT SEA LEVEL FIRST VOLTAGE |
| Contact Voltage Rating in Volts | 120.0 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 |
|---|---|
| 60-0637-00 | C/1 Advisory reference — outside the item-of-supply concept Scrivener Arthur Ltd |
| S3011 | 3/9 Design control — primary reference U.S. Government activity |
| 260-0637-00 | 5/9 Secondary reference U.S. Government activity |
NSN 5930-00-855-4103 is a Switch,thermostatic, classified under FSC 5930, Switches. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 6640-01-030-3099, 5962-01-077-0802. Verify interchangeability with system specifications before substitution.
Key specifications for 5930-00-855-4103: Body Diameter: 0.578 INCHES NOMINAL IN; Overall Height: 0.334 INCHES MINIMUM AND 0.364 INCHES MAXIMUM IN; Contact Action Stimulus: INCREASE; Terminal Type: TAB, SOLDER LUG. 19 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.