The Switch,thermostatic, cataloged under National Stock Number 5930-01-496-9004, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Cole Hersee Company. Government technical data includes 4 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 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-01-496-9004 |
| Primary Part Number | 84218 |
| Item Name | Switch,thermostatic |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Cole Hersee Company |
| Status | ACTIVE |
| Contact Action Stimulus | INCREASE |
| Style Designator | CYLINDRICAL W/FLANGE |
| Temp Sensing Element Type | INTERNAL SENSOR |
| Media for Which Designed | GAS OR LIQUID |
| 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 |
|---|---|
| 84218 PRIMARY | Cole Hersee Company (USA) |
NSN 5930-01-496-9004 is a Switch,thermostatic, manufactured by Cole Hersee Company, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-496-9004 has 1 manufacturer part number on file: 84218 (Cole Hersee Company).
1 possible match (shared part number, not a government interchangeability claim): 8145-01-697-1228. Verify interchangeability with system specifications before substitution.
Key specifications for 84218: Contact Action Stimulus: INCREASE; Style Designator: CYLINDRICAL W/FLANGE; Temp Sensing Element Type: INTERNAL SENSOR; Special Features: MOUNTING STEM 1/2-14 DRYSEAL THREAD PTF SAE SHORT 9/16 LONG, RED LIGHT HOT ON A 194F TO 206F. 4 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.