The Switch,thermostatic, cataloged under National Stock Number 5930-01-294-4597, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Hamworthy Inc.. Government technical data includes 5 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Switch,thermostatic |
| FSC / FSG | 5930 — Switches (FSG 59) |
| Manufacturers | Hamworthy Inc. (CAGE 0CBL5) |
| Parameter | Value |
|---|---|
| NSN | 5930-01-294-4597 |
| Primary Part Number | T2811018 |
| Item Name | Switch,thermostatic |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Hamworthy Inc. |
| Status | ACTIVE |
| Contact Action Stimulus | INCREASE |
| Temp Sensing Element Type | IMMERSION WELL |
| Body Length | 108.0 MILLIMETERS NOMINAL MM |
| Operating Temp Rating | 83.0 CELSIUS MINIMUM AND 104.0 CELSIUS MAXIMUM DEGC |
| Nonpile-Up Contact Arrangement | 1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY |
| 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 |
|---|---|
| T2811018 PRIMARY | Hamworthy Inc. (USA) |
| Reference | Meaning |
|---|---|
| T2811018 | 5/9 Secondary reference Wartsila Water Systems Limited |
NSN 5930-01-294-4597 is a Switch,thermostatic, manufactured by Hamworthy Inc., classified under FSC 5930, Switches. Status: active.
NSN 5930-01-294-4597 has 1 manufacturer part number on file: T2811018 (Hamworthy Inc.).
Key specifications for T2811018: Overall Height: 79.0 MILLIMETERS MAXIMUM MM; Contact Action Stimulus: INCREASE; Temp Sensing Element Type: IMMERSION WELL; Overall Length: 162.0 MILLIMETERS NOMINAL MM. 5 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.