The Switch,thermostatic, cataloged under National Stock Number 5930-00-568-2291, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Ulanet George Co. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5930-00-568-2291 |
| Primary Part Number | DM-185 |
| Item Name | Switch,thermostatic |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Ulanet George Co |
| Status | ACTIVE |
| Contact Action Stimulus | INCREASE |
| Terminal Type | TAB, SOLDER LUG |
| Overall Diameter | 0.250 INCHES NOMINAL IN |
| Contact Load Current Rating | 1.0 AMPERES RESISTIVE LOAD SINGLE VOLTAGE |
| Mounting Method | TERMINAL |
| Contact Adjustment Range | +40.00 TO 300.00 ACTUATION POINT DEGREES FAHRENHEIT AND -60.00 TO 200.00 DEACTUATION POINT DEGREES FAHRENHEIT |
| Style Designator | CYLINDRICAL |
| Temp Sensing Element Type | INTERNAL SENSOR |
| Contact Adjustment Type | EXTERNAL DEACTUATION POINT SCREW AND EXTERNAL ACTUATION POINT SCREW |
| Features Provided | HERMETICALLY SEALED CASE AND INTERNALLY GROUNDED |
| Body Length | 1.000 INCHES NOMINAL IN |
| Nonpile-Up Contact Arrangement | 1 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION |
| Media for Which Designed | GAS OR LIQUID |
| Contact Adjustability | DEACTUATION POINT ADJUSTABLE AND ACTUATION POINT ADJUSTABLE |
| Contact Voltage Rating in Volts | 28.0 DC AT SEA LEVEL SECOND VOLTAGE |
| Contact Voltage Rating in Volts | 115.0 AC AT SEA LEVEL FIRST VOLTAGE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 5930-00-568-2291 is a Switch,thermostatic, manufactured by Ulanet George Co, classified under FSC 5930, Switches. Status: active.
NSN 5930-00-568-2291 has 3 manufacturer part numbers on file: 185NC200 (Ulanet George Co), DM-185 (Ulanet George Co), 107630 (Illinois Tool Works, Inc. Div Magnaflux).
1 possible match (shared part number, not a government interchangeability claim): 5910-01-543-6517. Verify interchangeability with system specifications before substitution.
Key specifications for DM-185: Contact Action Stimulus: INCREASE; Terminal Type: TAB, SOLDER LUG; Overall Diameter: 0.250 INCHES NOMINAL IN; Contact Load Current Rating: 1.0 AMPERES RESISTIVE LOAD SINGLE VOLTAGE. 16 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.