The Switch,thermostatic, cataloged under National Stock Number 5930-01-024-4220, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 22 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-01-024-4220 |
| Primary Part Number | 128SCEC303-5 |
| Item Name | Switch,thermostatic |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Body Diameter | 0.875 INCHES NOMINAL IN |
| Width Across Flats | 0.750 INCHES NOMINAL IN |
| Contact Action Stimulus | INCREASE |
| Terminal Type | CONNECTOR, PLUG |
| Contact Load Current Rating | 2.0 AMPERES RESISTIVE LOAD SINGLE VOLTAGE |
| Mounting Method | THREADED BUSHING |
| Contact Adjustment Range | -20.00 TO 600.00 ACTUATION POINT DEGREES FAHRENHEIT AND -20.00 TO 600.00 DEACTUATION POINT DEGREES FAHRENHEIT |
| Thread Length | 0.407 INCHES MINIMUM AND 0.469 INCHES MAXIMUM SINGLE THREADED BUSHING IN |
| Style Designator | CYLINDRICAL W/FLANGE |
| Temp Sensing Element Type | INTERNAL SENSOR |
| Contact Adjustment Type | EXTERNAL ACTUATION POINT SERRATED NUT AND EXTERNAL DEACTUATION POINT SERRATED NUT |
| Features Provided | CALIBRATED SCALE |
| Nominal Thread Size | 0.500 INCHES SINGLE THREADED BUSHING IN |
| Body Length | 1.000 INCHES MINIMUM AND 1.064 INCHES MAXIMUM IN |
| Nonpile-Up Contact Arrangement | 1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION |
| Media for Which Designed | GAS OR LIQUID |
| Thread Class | 3A SINGLE THREADED BUSHING A |
| Contact Stimulus Rating | 275.00 ACTUATION POINT MAXIMUM DEGREES FAHRENHEIT AND 272.00 DEACTUATION POINT MINIMUM DEGREES FAHRENHEIT AND 3.00 DIFFERENTIAL POINT NOMINAL DEGREES FAHRENHEIT |
| Thread Quantity Per Inch | 20 SINGLE THREADED BUSHING |
| Thread Series Designator | UNF SINGLE THREADED BUSHING |
| Contact Adjustability | DEACTUATION POINT ADJUSTABLE, PRESET AND ACTUATION POINT ADJUSTABLE, PRESET |
| Contact Voltage Rating in Volts | 30.0 DC 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 |
|---|---|
| 128SCEC303-5 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 128SCEC303-5 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
| P5494-5 | 5/9 Secondary reference U.S. Government activity |
| M2001-533 | 5/2 Secondary reference U.S. Government activity |
NSN 5930-01-024-4220 is a Switch,thermostatic, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-024-4220 has 1 manufacturer part number on file: 128SCEC303-5 (Northrop Grumman Systems Corporation).
Key specifications for 128SCEC303-5: Body Diameter: 0.875 INCHES NOMINAL IN; Width Across Flats: 0.750 INCHES NOMINAL IN; Contact Action Stimulus: INCREASE; Terminal Type: CONNECTOR, PLUG. 22 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.