The Switch,thermostatic, cataloged under National Stock Number 5930-01-226-9594, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Eldec Aerospace Corp. Government technical data includes 22 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-01-226-9594 |
| Primary Part Number | WH04-05 |
| Item Name | Switch,thermostatic |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Eldec Aerospace Corp |
| Status | ACTIVE |
| Contact Action Stimulus | INCREASE |
| Terminal Type | TAB, SOLDER LUG |
| Overall Diameter | 0.625 INCHES MAXIMUM IN |
| Precious Material | GOLD |
| Contact Load Current Rating | 6.0 AMPERES RESISTIVE LOAD FIRST VOLTAGE |
| Contact Load Current Rating | 6.0 AMPERES RESISTIVE LOAD AND 1.0 AMPERES INDUCTIVE LOAD AND 1.0 AMPERES LAMP LOAD SECOND VOLTAGE |
| Mounting Method | THREADED STUD(S) |
| Body Height | 0.400 INCHES MINIMUM AND 0.451 INCHES MAXIMUM IN |
| Style Designator | DISC |
| Temp Sensing Element Type | INTERNAL SENSOR |
| Features Provided | HERMETICALLY SEALED CASE |
| Nominal Thread Size | 0.190 INCHES SINGLE THREADED STUD IN |
| Nonpile-Up Contact Arrangement | 1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION |
| Precious Material and Location | TERMINAL SURFACES GOLD |
| Media for Which Designed | GAS OR LIQUID |
| Thread Class | 2A SINGLE THREADED STUD A |
| Contact Stimulus Rating | 333.00 ACTUATION POINT NOMINAL DEGREES FAHRENHEIT AND 365.00 DEACTUATION POINT NOMINAL DEGREES FAHRENHEIT |
| Thread Series Designator | UNF SINGLE THREADED STUD |
| Contact Adjustability | ACTUATION POINT NOT ADJUSTABLE AND DEACTUATION POINT NOT ADJUSTABLE |
| Contact Voltage Rating in Volts | 28.0 DC AT SEA LEVEL SECOND VOLTAGE |
| Contact Voltage Rating in Volts | 115.0 AC AT SEA LEVEL FIRST VOLTAGE |
| Hazardous Locations/environmental Protection | VIBRATION RESISTANT |
| 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 |
| Part Number | Manufacturer |
|---|---|
| WH04-05 PRIMARY | Eldec Aerospace Corp (USA) |
| Reference | Meaning |
|---|---|
| 11041-240-2 | 5/2 Secondary reference U.S. Government activity |
| 975-0594-002 | 5/2 Secondary reference U.S. Government activity |
NSN 5930-01-226-9594 is a Switch,thermostatic, manufactured by Eldec Aerospace Corp, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-226-9594 has 1 manufacturer part number on file: WH04-05 (Eldec Aerospace Corp).
Key specifications for WH04-05: Overall Height: 1.111 INCHES NOMINAL IN; Contact Action Stimulus: INCREASE; Terminal Type: TAB, SOLDER LUG; Overall Diameter: 0.625 INCHES MAXIMUM IN. 22 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 5930-01-226-9594 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.