The Switch,thermostatic, cataloged under National Stock Number 5930-00-248-9062, 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 19 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-00-248-9062 |
| Primary Part Number | KW3261 |
| Item Name | Switch,thermostatic |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Ranco Inc Ranco Controls Div |
| Status | ACTIVE |
| Contact Action Stimulus | INCREASE |
| Terminal Type | TAB W/SCREW |
| Mounting Facility Pattern | TWO POSITION IN-LINE |
| Bulb Length | 1.500 INCHES NOMINAL IN |
| Bulb Diameter | 0.375 INCHES NOMINAL IN |
| Contact Load Current Rating | 3.2 AMPERES INDUCTIVE LOAD THIRD VOLTAGE |
| Contact Load Current Rating | 3.8 AMPERES INDUCTIVE LOAD SECOND VOLTAGE |
| Contact Load Current Rating | 7.5 AMPERES INDUCTIVE LOAD FIRST VOLTAGE |
| Mounting Method | BRACKET(S) AND THREADED HOLE(S) |
| Temp Sensing Element Type | CAPILLARY TUBE-BULB |
| Distance Between Mounting Facility Centers | 3.781 INCHES NOMINAL IN |
| Nominal Thread Size | 0.164 INCHES ALL THREADED HOLE IN |
| Capillary Tube Length | 48.000 INCHES NOMINAL IN |
| Nonpile-Up Contact Arrangement | 1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION |
| Thread Quantity Per Inch | 32 ALL THREADED HOLE |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) ALL THREADED HOLE |
| Contact Voltage Rating in Volts | 115.0 AC AT SEA LEVEL FIRST VOLTAGE |
| Contact Voltage Rating in Volts | 230.0 AC AT SEA LEVEL SECOND VOLTAGE |
| Contact Voltage Rating in Volts | 115.0 DC AT SEA LEVEL THIRD 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 |
|---|---|
| KW3261 PRIMARY | Ranco Inc Ranco Controls Div (USA) |
| Reference | Meaning |
|---|---|
| KW3261 | 3/9 Design control — primary reference Ranco Management Corp |
NSN 5930-00-248-9062 is a Switch,thermostatic, manufactured by Ranco Inc Ranco Controls Div, classified under FSC 5930, Switches. Status: active.
NSN 5930-00-248-9062 has 1 manufacturer part number on file: KW3261 (Ranco Inc Ranco Controls Div).
Key specifications for KW3261: Overall Height: 2.562 INCHES NOMINAL IN; Contact Action Stimulus: INCREASE; Terminal Type: TAB W/SCREW; Mounting Facility Pattern: TWO POSITION IN-LINE. 19 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.