The Switch,rotary, cataloged under National Stock Number 5930-01-147-5227, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Te Connectivity Corporation. Government technical data includes 25 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5930-01-147-5227 |
| Primary Part Number | MRC-3-3 |
| Item Name | Switch,rotary |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Te Connectivity Corporation |
| Status | ACTIVE |
| Switch Contact Basic Design | NONPILE-UP SYMMETRICAL |
| Terminal Type | TAB, SOLDER LUG |
| Overall Diameter | 0.640 INCHES NOMINAL IN |
| Precious Material | SILVER |
| Contact Load Current Rating | 500.0 MILLIAMPERES RESISTIVE LOAD AC AT SEA LEVEL |
| Contact Load Current Rating | 500.0 MILLIAMPERES RESISTIVE LOAD DC AT SEA LEVEL |
| Mounting Method | THREADED BUSHING SINGLE MOUNTING FACILITY |
| Thread Length | 0.260 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Pole Quantity | 3 SINGLE SECTION REAR |
| Style Designator | SNAP OR LINE |
| Individual Section Quantity | 1 |
| Features Provided | ACTUATOR KNOB |
| Nominal Thread Size | 0.250 INCHES SINGLE MOUNTING FACILITY IN |
| Switch Actuator Stop Device Type | ADJUSTABLE STOP SINGLE ACTUATOR |
| Contact Switching Action | BREAKS BEFORE MAKES SINGLE SECTION REAR |
| Contact Voltage Rating in Volts | 125.0 AC AT SEA LEVEL |
| Contact Voltage Rating in Volts | 28.0 DC AT SEA LEVEL |
| Precious Material and Location | CONTACTS SILVER |
| Thread Class | 2A SINGLE MOUNTING FACILITY A |
| Switch Actuator Positioning Increment | 36.0 DEGREES SINGLE ACTUATOR |
| Thread Quantity Per Inch | 40 SINGLE MOUNTING FACILITY |
| Switch Actuator Indexing Position Quantity | 3 SINGLE ACTUATOR |
| Thread Series Designator | UNS SINGLE MOUNTING FACILITY |
| Throw Quantity | 3 SINGLE SECTION REAR |
| 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 |
|---|---|
| MRC-3-3 PRIMARY | Te Connectivity Corporation (USA) |
| Reference | Meaning |
|---|---|
| MRC-3-3 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5930-01-147-5227 is a Switch,rotary, manufactured by Te Connectivity Corporation, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-147-5227 has 1 manufacturer part number on file: MRC-3-3 (Te Connectivity Corporation).
Key specifications for MRC-3-3: Switch Contact Basic Design: NONPILE-UP SYMMETRICAL; Terminal Type: TAB, SOLDER LUG; Overall Diameter: 0.640 INCHES NOMINAL IN; Precious Material: SILVER. 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.