The Switch,thermostatic, cataloged under National Stock Number 5930-01-207-5574, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Honeywell International Inc. Dba Honeywell International Div Honeywell Redmond Defense. Government technical data includes 10 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5930-01-207-5574 |
| Primary Part Number | 578T188A203 |
| Item Name | Switch,thermostatic |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Honeywell International Inc. Dba Honeywell International Div Honeywell Redmond Defense |
| Status | ACTIVE |
| Body Diameter | 0.630 INCHES NOMINAL IN |
| Contact Action Stimulus | INCREASE |
| Terminal Type | SOLDER STUD |
| Contact Load Current Rating | 5.0 MILLIAMPERES RESISTIVE LOAD SINGLE VOLTAGE |
| Mounting Method | UNTHREADED HOLE(S) |
| Body Height | 0.390 INCHES NOMINAL IN |
| Unthreaded Mounting Hole Diameter | 0.147 INCHES NOMINAL IN |
| Style Designator | DISC W/FLANGE |
| Nonpile-Up Contact Arrangement | 1 POLE, SINGLE THROW, BOTH POSITIONS MAINTAINED |
| Contact Adjustability | ACTUATION POINT NOT ADJUSTABLE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 578T188A203 | Honeywell International Inc. Dba Honeywell International Div Honeywell Redmond Defense (USA) |
| Reference | Meaning |
|---|---|
| M560T188A203 | 5/9 Secondary reference U.S. Government activity |
| C5073867-2 | 3/9 Design control — primary reference Signals Warfare Project Manager |
NSN 5930-01-207-5574 is a Switch,thermostatic, manufactured by Honeywell International Inc. Dba Honeywell International Div Honeywell Redmond Defense, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-207-5574 has 1 manufacturer part number on file: 578T188A203 (Honeywell International Inc. Dba Honeywell International Div Honeywell Redmond Defense).
Key specifications for 578T188A203: Body Diameter: 0.630 INCHES NOMINAL IN; Overall Height: 0.500 INCHES NOMINAL IN; Contact Action Stimulus: INCREASE; Terminal Type: SOLDER STUD. 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.