The Switch,thermostatic, cataloged under National Stock Number 5930-00-549-0663, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5930-00-549-0663 |
| Item Name | Switch,thermostatic |
| FSC / FSG | 5930 / 59 — Switches |
| Status | ACTIVE |
| Contact Action Stimulus | INCREASE |
| Terminal Type | TAB, SOLDER LUG |
| Contact Load Current Rating | 3.0 AMPERES RESISTIVE LOAD SINGLE VOLTAGE |
| Mounting Method | BRACKET(S) |
| Temp Sensing Element Type | INTERNAL SENSOR |
| Nonpile-Up Contact Arrangement | 1 POLE, SINGLE THROW, BOTH POSITIONS MAINTAINED |
| Media for Which Designed | GAS OR LIQUID |
| Contact Stimulus Rating | 20.00 DIFFERENTIAL POINT NOMINAL DEGREES FAHRENHEIT AND 58.00 ACTUATION POINT NOMINAL DEGREES FAHRENHEIT |
| Contact Adjustability | ACTUATION 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 |
|---|---|
| 430-139 | 3/9 Design control — primary reference Recon/optical, Inc. |
NSN 5930-00-549-0663 is a Switch,thermostatic, classified under FSC 5930, Switches. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5815-01-125-4552. Verify interchangeability with system specifications before substitution.
Key specifications for 5930-00-549-0663: Contact Action Stimulus: INCREASE; Terminal Type: TAB, SOLDER LUG; Contact Load Current Rating: 3.0 AMPERES RESISTIVE LOAD SINGLE VOLTAGE; Mounting Method: BRACKET(S). 10 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.