The Switch,rotary, cataloged under National Stock Number 5930-01-146-6640, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. Government technical data includes 27 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-01-146-6640 |
| Item Name | Switch,rotary |
| FSC / FSG | 5930 / 59 — Switches |
| Status | ACTIVE |
| Shaft Type | ROUND SINGLE ACTUATOR |
| Shaft Diameter | 0.375 INCHES NOMINAL SINGLE ACTUATOR IN |
| Switch Contact Basic Design | NONPILE-UP SYMMETRICAL |
| Terminal Type | TAB W/SCREW |
| Mounting Facility Pattern | FOUR POSITION RECTANGULAR SINGLE MOUNTING FACILITY |
| Contact Load Current Rating | 60.0 AMPERES RESISTIVE LOAD HIGHEST AC VOLTAGE RATING AT SEA LEVEL |
| Contact Load Current Rating | 75.0 AMPERES RESISTIVE LOAD LOWEST AC VOLTAGE RATING AT SEA LEVEL |
| Mounting Method | BRACKET(S) AND UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY |
| Unthreaded Mounting Hole Diameter | 0.406 INCHES MINIMUM AND 0.410 INCHES MAXIMUM SINGLE MOUNTING FACILITY IN |
| Pole Quantity | 1 EACH SECTION REAR |
| Style Designator | TAP, CIRCUIT SELECTOR |
| Longest Vertical Distance Between Mounting Centers | 3.781 INCHES NOMINAL FIRST MOUNTING FACILITY IN |
| Longest Vertical Distance Between Mounting Centers | 5.250 INCHES NOMINAL SECOND MOUNTING FACILITY IN |
| Individual Section Quantity | 12 |
| Knob Manufacturer Code | 82121 |
| Features Provided | ACTUATOR KNOB |
| Shaft Length | 1.375 INCHES NOMINAL SINGLE ACTUATOR IN |
| Switch Actuator Stop Device Type | FIXED STOP SINGLE ACTUATOR |
| Knob Manufacturer Part Number | A |
| Contact Switching Action | BREAKS BEFORE MAKES SECOND SECTION REAR |
| Contact Switching Action | BREAKS BEFORE MAKES SEVENTH SECTION REAR |
| Contact Switching Action | BREAKS BEFORE MAKES NINTH SECTION REAR |
| Contact Switching Action | BREAKS BEFORE MAKES EIGHTH SECTION REAR |
| Contact Switching Action | BREAKS BEFORE MAKES FIRST SECTION REAR |
| Contact Switching Action | MAKES BEFORE BREAKS FIFTH SECTION REAR |
| Contact Switching Action | BREAKS BEFORE MAKES TENTH SECTION REAR |
| Contact Switching Action | MAKES BEFORE BREAKS FOURTH SECTION REAR |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 125306LB | 3/2 Design control — primary reference U.S. Government activity |
NSN 5930-01-146-6640 is a Switch,rotary, classified under FSC 5930, Switches. Status: active.
Key specifications for 5930-01-146-6640: Shaft Type: ROUND SINGLE ACTUATOR; Overall Height: 6.000 INCHES NOMINAL IN; Shaft Diameter: 0.375 INCHES NOMINAL SINGLE ACTUATOR IN; Switch Contact Basic Design: NONPILE-UP SYMMETRICAL. 27 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.