The Switch,thermostatic, cataloged under National Stock Number 5930-00-997-0503, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. Government technical data includes 21 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-00-997-0503 |
| Item Name | Switch,thermostatic |
| FSC / FSG | 5930 / 59 — Switches |
| Status | ACTIVE |
| Body Diameter | 0.310 INCHES NOMINAL IN |
| Width Across Flats | 0.812 INCHES NOMINAL IN |
| Contact Action Stimulus | INCREASE |
| Terminal Type | CONNECTOR, RECEPTACLE |
| Contact Load Current Rating | 250.0 MILLIAMPERES RESISTIVE LOAD SINGLE VOLTAGE |
| Mounting Method | THREADED BUSHING |
| Thread Length | 0.310 INCHES NOMINAL SINGLE THREADED BUSHING IN |
| Style Designator | CYLINDRICAL W/FLANGE |
| Temp Sensing Element Type | IMMERSION WELL |
| Features Provided | ELECTRICAL BOX CONNECTOR |
| Nominal Thread Size | 0.562 INCHES SINGLE THREADED BUSHING IN |
| Body Length | 0.962 INCHES NOMINAL IN |
| Operating Temp Rating | -70.0 FAHRENHEIT MINIMUM AND 600.0 FAHRENHEIT MAXIMUM DEGF |
| Nonpile-Up Contact Arrangement | 1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION |
| Media for Which Designed | GAS |
| Thread Class | 3A SINGLE THREADED BUSHING A |
| Contact Stimulus Rating | 275.00 ACTUATION POINT NOMINAL DEGREES FAHRENHEIT AND 270.00 DEACTUATION POINT NOMINAL DEGREES FAHRENHEIT |
| Thread Quantity Per Inch | 18 SINGLE THREADED BUSHING |
| Thread Series Designator | UNF SINGLE THREADED BUSHING |
| Contact Adjustability | DEACTUATION POINT NOT ADJUSTABLE AND ACTUATION POINT NOT ADJUSTABLE |
| Contact Voltage Rating in Volts | 30.0 DC 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 |
|---|---|
| P341-275 | 5/9 Secondary reference U.S. Government activity |
| L2002-4 | 5/9 Secondary reference U.S. Government activity |
| L2002 | 5/9 Secondary reference U.S. Government activity |
| L2002-504 | 3/2 Design control — primary reference U.S. Government activity |
| P341-4-275 | 5/9 Secondary reference U.S. Government activity |
NSN 5930-00-997-0503 is a Switch,thermostatic, classified under FSC 5930, Switches. Status: active.
Key specifications for 5930-00-997-0503: Body Diameter: 0.310 INCHES NOMINAL IN; Width Across Flats: 0.812 INCHES NOMINAL IN; Contact Action Stimulus: INCREASE; Terminal Type: CONNECTOR, RECEPTACLE. 21 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.