The Switch,thermostatic, cataloged under National Stock Number 5930-01-040-7540, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Custom Control Sensors, Llc. Government technical data includes 18 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-01-040-7540 |
| Primary Part Number | 604T3 |
| Item Name | Switch,thermostatic |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Custom Control Sensors, Llc |
| Status | ACTIVE |
| Frequency in Hertz | 60.0 SECOND VOLTAGE |
| Frequency in Hertz | 50.0 FIRST VOLTAGE |
| Contact Action Stimulus | INCREASE |
| Mounting Facility Pattern | FOUR POSITION RECTANGULAR |
| Contact Load Current Rating | 15.0 AMPERES RESISTIVE LOAD AND 15.0 AMPERES INDUCTIVE LOAD FIRST VOLTAGE |
| Contact Load Current Rating | 400.0 MILLIAMPERES RESISTIVE LOAD AND 200.0 MILLIAMPERES INDUCTIVE LOAD SECOND VOLTAGE |
| Mounting Method | UNTHREADED HOLE(S) |
| Contact Adjustment Range | +120.00 TO 210.00 ACTUATION POINT DEGREES FAHRENHEIT |
| Unthreaded Mounting Hole Diameter | 0.265 INCHES NOMINAL IN |
| Longest Vertical Distance Between Mounting Centers | 3.100 INCHES NOMINAL IN |
| Temp Sensing Element Type | BULB |
| Contact Adjustment Type | INTERNAL ACTUATION POINT KNOB WITH SCALE |
| Operating Temp Rating | 300.0 FAHRENHEIT MAXIMUM DEGF |
| Nonpile-Up Contact Arrangement | 1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY |
| Contact Adjustability | ACTUATION POINT ADJUSTABLE |
| Contact Voltage Rating in Volts | 480.0 AC AT SEA LEVEL FIRST VOLTAGE |
| Contact Voltage Rating in Volts | 125.0 DC AT SEA LEVEL SECOND VOLTAGE |
| Longest Horizontal Distance Between Mounting Centers | 4.250 INCHES NOMINAL IN |
| 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 |
|---|---|
| 604T3 PRIMARY | Custom Control Sensors, Llc (USA) |
NSN 5930-01-040-7540 is a Switch,thermostatic, manufactured by Custom Control Sensors, Llc, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-040-7540 has 1 manufacturer part number on file: 604T3 (Custom Control Sensors, Llc).
Key specifications for 604T3: Frequency in Hertz: 60.0 SECOND VOLTAGE; Frequency in Hertz: 50.0 FIRST VOLTAGE; Contact Action Stimulus: INCREASE; Mounting Facility Pattern: FOUR POSITION RECTANGULAR. 18 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.