The Switch,thermostatic, cataloged under National Stock Number 5930-01-339-2123, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Switch,thermostatic |
| FSC / FSG | 5930 — Switches (FSG 59) |
| Manufacturers | Naval Sea Systems Command (CAGE 53711); Honeywell International Inc. Dba Honeywell International Div Honeywell Redmond Defense (CAGE 0YFP0) |
| Parameter | Value |
|---|---|
| NSN | 5930-01-339-2123 |
| Primary Part Number | 6303193 |
| Item Name | Switch,thermostatic |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Body Diameter | 0.640 INCHES MAXIMUM IN |
| Frequency in Hertz | 60.0 SINGLE VOLTAGE |
| Contact Action Stimulus | INCREASE |
| Terminal Type | WIRE LEAD |
| Contact Load Current Rating | 1.0 AMPERES RESISTIVE LOAD SINGLE VOLTAGE |
| Mounting Method | CLAMP |
| Style Designator | DISC |
| Temp Sensing Element Type | INTERNAL SENSOR |
| Operating Temp Rating | -20.0 FAHRENHEIT MINIMUM AND 160.0 FAHRENHEIT MAXIMUM DEGF |
| Nonpile-Up Contact Arrangement | 1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION |
| Media for Which Designed | LIQUID |
| Contact Stimulus Rating | 122.00 ACTUATION POINT MINIMUM DEGREES FAHRENHEIT AND 138.00 ACTUATION POINT MAXIMUM DEGREES FAHRENHEIT AND 102.00 DEACTUATION POINT MINIMUM DEGREES FAHRENHEIT AND 118.00 DEACTUATION POINT MAXIMUM DEGREES FAHRENHEIT |
| Contact Adjustability | ACTUATION POINT NOT ADJUSTABLE AND DEACTUATION POINT NOT ADJUSTABLE |
| Contact Voltage Rating in Volts | 115.0 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 |
|---|---|
| 6303193 PRIMARY | Naval Sea Systems Command (USA) |
| 975-0646-001 | Honeywell International Inc. Dba Honeywell International Div Honeywell Redmond Defense (USA) |
| Reference | Meaning |
|---|---|
| 975-0646-001 | 5/9 Secondary reference U.S. Government activity |
NSN 5930-01-339-2123 is a Switch,thermostatic, manufactured by Naval Sea Systems Command, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-339-2123 has 2 manufacturer part numbers on file: 6303193 (Naval Sea Systems Command), 975-0646-001 (Honeywell International Inc. Dba Honeywell International Div Honeywell Redmond Defense).
Key specifications for 6303193: Body Diameter: 0.640 INCHES MAXIMUM IN; Overall Height: 0.680 INCHES MAXIMUM IN; Frequency in Hertz: 60.0 SINGLE VOLTAGE; Contact Action Stimulus: INCREASE. 14 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.