The Switch,thermostatic, cataloged under National Stock Number 5930-01-374-2943, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 5930-01-374-2943 |
| Primary Part Number | 3150378-4 |
| Item Name | Switch,thermostatic |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Width Across Flats | 1.000 INCHES MAXIMUM IN |
| Contact Action Stimulus | INCREASE |
| Terminal Type | CONNECTOR, RECEPTACLE |
| Contact Load Current Rating | 2.0 AMPERES RESISTIVE LOAD FIRST VOLTAGE |
| Mounting Method | THREADED BUSHING |
| Style Designator | CYLINDRICAL |
| Temp Sensing Element Type | INTERNAL SENSOR |
| Features Provided | AUTOMATIC RESET |
| Nominal Thread Size | 0.750 INCHES SINGLE THREADED BUSHING IN |
| Operating Temp Rating | -65.0 FAHRENHEIT MINIMUM AND 450.0 FAHRENHEIT MAXIMUM DEGF |
| Media for Which Designed | GAS OR LIQUID |
| Thread Class | 3A SINGLE THREADED BUSHING A |
| Thread Series Designator | UNF SINGLE THREADED BUSHING |
| Contact Adjustability | ACTUATION POINT NOT ADJUSTABLE |
| Contact Voltage Rating in Volts | 120.0 AC AT SEA LEVEL FIRST VOLTAGE |
| Hazardous Locations/environmental Protection | VIBRATION RESISTANT |
| 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 |
|---|---|
| 3150378-4 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| 21546-3-84-1 | 5/2 Secondary reference U.S. Government activity |
NSN 5930-01-374-2943 is a Switch,thermostatic, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-374-2943 has 1 manufacturer part number on file: 3150378-4 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 3150378-4: Width Across Flats: 1.000 INCHES MAXIMUM IN; Contact Action Stimulus: INCREASE; Terminal Type: CONNECTOR, RECEPTACLE; Contact Load Current Rating: 2.0 AMPERES RESISTIVE LOAD FIRST 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.