The Switch,thermostatic, cataloged under National Stock Number 5930-00-185-4609, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Itw Food Equipment Group Llc Dba Hobart Service. Government technical data includes 25 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5930-00-185-4609 |
| Primary Part Number | 103688-3 |
| Item Name | Switch,thermostatic |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Itw Food Equipment Group Llc Dba Hobart Service |
| Status | ACTIVE |
| Frequency in Hertz | 60.0 FIRST VOLTAGE |
| Frequency in Hertz | 60.0 SECOND VOLTAGE |
| Contact Action Stimulus | INCREASE |
| Terminal Type | TAB W/SCREW |
| Mounting Facility Pattern | TWO POSITION IN-LINE |
| Bulb Length | 8.813 INCHES NOMINAL IN |
| Bulb Diameter | 0.250 INCHES NOMINAL IN |
| Contact Load Current Rating | 35.0 AMPERES RESISTIVE LOAD SECOND VOLTAGE |
| Contact Load Current Rating | 25.0 AMPERES RESISTIVE LOAD FIRST VOLTAGE |
| Mounting Method | BRACKET(S) AND UNTHREADED HOLE(S) |
| Contact Adjustment Range | +100.00 TO 200.00 ACTUATION POINT DEGREES FAHRENHEIT AND +100.00 TO 200.00 DEACTUATION POINT DEGREES FAHRENHEIT |
| Body Height | 1.156 INCHES NOMINAL IN |
| Unthreaded Mounting Hole Diameter | 0.219 INCHES NOMINAL IN |
| Style Designator | RECTANGULAR |
| Temp Sensing Element Type | CAPILLARY TUBE-BULB |
| Contact Adjustment Type | EXTERNAL DEACTUATION POINT POINTER WITH SCALE AND EXTERNAL ACTUATION POINT POINTER WITH SCALE |
| Features Provided | TUBING END SEAL CONNECTION |
| Distance Between Mounting Facility Centers | 2.281 INCHES NOMINAL IN |
| Capillary Tube Length | 48.000 INCHES NOMINAL IN |
| Nonpile-Up Contact Arrangement | 2 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION |
| Media for Which Designed | GAS |
| Contact Adjustability | DEACTUATION POINT ADJUSTABLE AND ACTUATION POINT ADJUSTABLE |
| Contact Voltage Rating in Volts | 250.0 AC AT SEA LEVEL FIRST VOLTAGE |
| Contact Voltage Rating in Volts | 125.0 AC AT SEA LEVEL SECOND VOLTAGE |
| Hazardous Locations/environmental Protection | MOISTURE PROOF |
| 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 |
|---|---|
| X9990-876 | Robertshaw Controls Co New Stanton Div (USA) |
| Z66930-48 | Robertshaw Controls Co New Stanton Div (USA) |
| 103688-3 PRIMARY | Itw Food Equipment Group Llc Dba Hobart Service (USA) |
| Reference | Meaning |
|---|---|
| R79740-1 | 5/9 Secondary reference Itw Food Equipment Group Llc Dba Hobart Service |
NSN 5930-00-185-4609 is a Switch,thermostatic, manufactured by Itw Food Equipment Group Llc Dba Hobart Service, classified under FSC 5930, Switches. Status: active.
NSN 5930-00-185-4609 has 3 manufacturer part numbers on file: X9990-876 (Robertshaw Controls Co New Stanton Div), Z66930-48 (Robertshaw Controls Co New Stanton Div), 103688-3 (Itw Food Equipment Group Llc Dba Hobart Service).
Key specifications for 103688-3: Overall Height: 2.094 INCHES NOMINAL IN; Frequency in Hertz: 60.0 FIRST VOLTAGE; Frequency in Hertz: 60.0 SECOND VOLTAGE; Contact Action Stimulus: INCREASE. 25 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.