The Switch,thermostatic, cataloged under National Stock Number 5930-01-249-4800, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-01-249-4800 |
| Item Name | Switch,thermostatic |
| FSC / FSG | 5930 / 59 — Switches |
| Status | ACTIVE |
| Body Diameter | 5.062 INCHES NOMINAL IN |
| Contact Action Stimulus | INCREASE |
| Terminal Type | SCREW |
| Mounting Facility Pattern | FOUR POSITION RECTANGULAR |
| Bulb Length | 2.594 INCHES NOMINAL IN |
| Bulb Diameter | 0.375 INCHES NOMINAL IN |
| Mounting Method | FLANGE AND UNTHREADED HOLE(S) |
| Unthreaded Mounting Hole Diameter | 0.250 INCHES NOMINAL IN |
| Longest Vertical Distance Between Mounting Centers | 3.625 INCHES NOMINAL IN |
| Temp Sensing Element Type | CAPILLARY TUBE-BULB |
| Capillary Tube Length | 72.0 INCHES NOMINAL IN |
| Operating Temp Rating | 400.0 FAHRENHEIT MAXIMUM DEGF |
| Nonpile-Up Contact Arrangement | 1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY |
| Longest Horizontal Distance Between Mounting Centers | 3.000 INCHES NOMINAL IN |
| Hazardous Locations/environmental Protection | EXPLOSION PROOF AND RAINTIGHT AND WEATHERTIGHT |
| 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 |
|---|---|
| E122-2BSB-9171 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5930-01-249-4800 is a Switch,thermostatic, classified under FSC 5930, Switches. Status: active.
Key specifications for 5930-01-249-4800: Body Diameter: 5.062 INCHES NOMINAL IN; Overall Height: 5.250 INCHES NOMINAL IN; Contact Action Stimulus: INCREASE; Terminal Type: SCREW. 15 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.