The Switch,rotary, cataloged under National Stock Number 5930-00-920-4722, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-00-920-4722 |
| Primary Part Number | MRB-3-3 |
| Item Name | Switch,rotary |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Te Connectivity Corporation |
| Status | ACTIVE |
| Shaft Type | ROUND, SLOTTED SINGLE ACTUATOR |
| Shaft Diameter | 0.125 INCHES NOMINAL SINGLE ACTUATOR IN |
| Switch Contact Basic Design | NONPILE-UP SYMMETRICAL |
| Nonturn Device Radius | 0.207 INCHES NOMINAL AT 3:00 OCLOCK IN |
| Terminal Type | TAB, SOLDER LUG |
| Overall Diameter | 0.524 INCHES NOMINAL IN |
| Contact Load Current Rating | 150.0 MILLIAMPERES RESISTIVE LOAD AC AT SEA LEVEL |
| Mounting Method | THREADED BUSHING SINGLE MOUNTING FACILITY |
| Thread Length | 0.250 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Pole Quantity | 3 SINGLE SECTION REAR |
| Style Designator | SNAP OR LINE |
| Individual Section Quantity | 1 |
| Nonturn Device Type | FLATTED BUSHING AT 3:00 OCLOCK |
| Nominal Thread Size | 0.250 INCHES SINGLE MOUNTING FACILITY IN |
| Shaft Length | 0.575 INCHES NOMINAL SINGLE ACTUATOR IN |
| Switch Actuator Stop Device Type | FIXED STOP-BREAKOFF TAB SINGLE ACTUATOR |
| Contact Switching Action | BREAKS BEFORE MAKES SINGLE SECTION REAR |
| Contact Voltage Rating in Volts | 115.0 AC AT SEA LEVEL |
| Thread Class | 2A SINGLE MOUNTING FACILITY A |
| Switch Actuator Positioning Increment | 36.0 DEGREES SINGLE ACTUATOR |
| Switch Actuator Indexing Position Quantity | 3 SINGLE ACTUATOR |
| Thread Series Designator | UNEF SINGLE MOUNTING FACILITY |
| Shaft Flat/slot Angular Location | 90.0 DEGREES FROM CONTACT POSITION 1 SINGLE ACTUATOR |
| 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 |
|---|---|
| MRB-3-3 PRIMARY | Te Connectivity Corporation (USA) |
| Reference | Meaning |
|---|---|
| MRA-3-3 | 5/9 Secondary reference U.S. Government activity |
| MRB-3-3 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5930-00-920-4722 is a Switch,rotary, manufactured by Te Connectivity Corporation, classified under FSC 5930, Switches. Status: active.
NSN 5930-00-920-4722 has 1 manufacturer part number on file: MRB-3-3 (Te Connectivity Corporation).
Key specifications for MRB-3-3: Shaft Type: ROUND, SLOTTED SINGLE ACTUATOR; Shaft Diameter: 0.125 INCHES NOMINAL SINGLE ACTUATOR IN; Switch Contact Basic Design: NONPILE-UP SYMMETRICAL; Nonturn Device Radius: 0.207 INCHES NOMINAL AT 3:00 OCLOCK IN. 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.