The Switch,thermostatic, cataloged under National Stock Number 5930-01-282-0520, 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 24 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 5930-01-282-0520 |
| Primary Part Number | 5597817-9 |
| Item Name | Switch,thermostatic |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Frequency in Hertz | 60.0 FIRST VOLTAGE |
| Contact Action Stimulus | INCREASE |
| Terminal Type | WIRE LEAD |
| Overall Diameter | 0.540 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN |
| Contact Load Current Rating | 2.0 AMPERES RESISTIVE LOAD AND 1.0 AMPERES INDUCTIVE LOAD AND 0.5 AMPERES LAMP LOAD FIRST VOLTAGE |
| Contact Load Current Rating | 5.0 AMPERES RESISTIVE LOAD AND 2.5 AMPERES INDUCTIVE LOAD AND 1.0 AMPERES LAMP LOAD SECOND VOLTAGE |
| Mounting Method | THREADED STUD(S) |
| Body Height | 0.437 INCHES MAXIMUM IN |
| Criticality Code Justification | FEAT |
| Style Designator | DISC |
| Temp Sensing Element Type | INTERNAL SENSOR |
| Features Provided | HERMETICALLY SEALED CASE |
| Nominal Thread Size | 0.138 INCHES SINGLE THREADED STUD IN |
| Operating Temp Rating | -65.0 FAHRENHEIT MINIMUM AND 500.0 FAHRENHEIT MAXIMUM DEGF |
| Nonpile-Up Contact Arrangement | 1 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION |
| Media for Which Designed | GAS OR LIQUID |
| Thread Class | 2A SINGLE THREADED STUD A |
| Contact Stimulus Rating | 170.00 ACTUATION POINT NOMINAL DEGREES FAHRENHEIT AND 115.00 DEACTUATION POINT NOMINAL DEGREES FAHRENHEIT |
| Thread Quantity Per Inch | 32 SINGLE THREADED STUD |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SINGLE THREADED STUD |
| Contact Adjustability | ACTUATION POINT NOT ADJUSTABLE AND DEACTUATION POINT NOT 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 |
| 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 | Y |
NSN 5930-01-282-0520 is a Switch,thermostatic, manufactured by Naval Sea Systems Command, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-282-0520 has 2 manufacturer part numbers on file: 5597817-9 (Naval Sea Systems Command), A12413 (Autodyne Manufacturing Co Inc).
Key specifications for 5597817-9: Overall Height: 0.867 INCHES NOMINAL IN; Frequency in Hertz: 60.0 FIRST VOLTAGE; Contact Action Stimulus: INCREASE; Terminal Type: WIRE LEAD. 24 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.