The Switch,thermostatic, cataloged under National Stock Number 5930-00-471-4571, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Ranco Inc Ranco Controls Div. Government technical data includes 16 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-00-471-4571 |
| Primary Part Number | C11-3156 |
| Item Name | Switch,thermostatic |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Ranco Inc Ranco Controls Div |
| Status | ACTIVE |
| Frequency in Hertz | 60.0 SINGLE VOLTAGE |
| Contact Action Stimulus | INCREASE |
| Terminal Type | QUICK DISCONNECT, MALE |
| Bulb Length | 6.000 INCHES MAXIMUM IN |
| Bulb Diameter | 0.250 INCHES NOMINAL IN |
| Contact Load Current Rating | 25.0 AMPERES RESISTIVE LOAD SINGLE VOLTAGE |
| Mounting Method | PLUG-IN TERMINAL(S) |
| Temp Sensing Element Type | CAPILLARY TUBE-BULB |
| Contact Adjustment Type | EXTERNAL DEACTUATION POINT KNOB AND EXTERNAL ACTUATION POINT KNOB |
| Features Provided | AUTOMATIC RESET |
| Capillary Tube Length | 42.000 INCHES MINIMUM AND 45.000 INCHES MAXIMUM IN |
| Nonpile-Up Contact Arrangement | 1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY |
| Media for Which Designed | GAS OR LIQUID |
| Contact Adjustability | DEACTUATION POINT ADJUSTABLE AND ACTUATION POINT ADJUSTABLE |
| Contact Voltage Rating in Volts | 250.0 AC AT SEA LEVEL SINGLE VOLTAGE |
| Hazardous Locations/environmental Protection | DUSTPROOF |
| 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 |
|---|---|
| C11-3156 | Ranco Inc Ranco Controls Div (USA) |
| Reference | Meaning |
|---|---|
| C11-3156 | 5/9 Secondary reference Ranco Management Corp |
| 339462 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5930-00-471-4571 is a Switch,thermostatic, manufactured by Ranco Inc Ranco Controls Div, classified under FSC 5930, Switches. Status: active.
NSN 5930-00-471-4571 has 1 manufacturer part number on file: C11-3156 (Ranco Inc Ranco Controls Div).
Key specifications for C11-3156: Overall Height: 3.295 INCHES NOMINAL IN; Frequency in Hertz: 60.0 SINGLE VOLTAGE; Contact Action Stimulus: INCREASE; Terminal Type: QUICK DISCONNECT, MALE. 16 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.