The Switch,thermostatic, cataloged under National Stock Number 5930-01-141-5609, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Carrier Corp. Government technical data includes 12 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5930-01-141-5609 |
| Primary Part Number | HH18HA057 |
| Item Name | Switch,thermostatic |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Carrier Corp |
| Status | ACTIVE |
| Body Diameter | 1.078 INCHES NOMINAL IN |
| Contact Action Stimulus | INCREASE |
| Terminal Type | WIRE LEAD |
| Contact Load Current Rating | 5.0 AMPERES RESISTIVE LOAD AND 2.9 AMPERES INDUCTIVE LOAD SINGLE VOLTAGE |
| Mounting Method | CLAMP |
| Style Designator | DISC |
| Temp Sensing Element Type | INTERNAL SENSOR |
| Nonpile-Up Contact Arrangement | 1 POLE, SINGLE THROW, BOTH POSITIONS MAINTAINED |
| Media for Which Designed | GAS OR LIQUID |
| Contact Stimulus Rating | 15.00 DIFFERENTIAL POINT NOMINAL DEGREES FAHRENHEIT |
| Contact Adjustability | DEACTUATION POINT NOT ADJUSTABLE AND ACTUATION POINT NOT ADJUSTABLE |
| Contact Voltage Rating in Volts | 240.0 AC AT SEA LEVEL SINGLE VOLTAGE |
| 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 |
|---|---|
| HH18HA057 PRIMARY | Carrier Corp (USA) |
| Reference | Meaning |
|---|---|
| 37T31-29215 | 5/2 Secondary reference U.S. Government activity |
| 20640L44-480-A13 | 5/9 Secondary reference Texas Instruments Inc Control Products Div |
NSN 5930-01-141-5609 is a Switch,thermostatic, manufactured by Carrier Corp, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-141-5609 has 1 manufacturer part number on file: HH18HA057 (Carrier Corp).
Key specifications for HH18HA057: Body Diameter: 1.078 INCHES NOMINAL IN; Overall Height: 0.938 INCHES NOMINAL IN; Contact Action Stimulus: INCREASE; Terminal Type: WIRE LEAD. 12 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.