The Switch,rotary, cataloged under National Stock Number 5930-00-375-5891, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Ward Leonard Ct Llc. Government technical data includes 19 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-00-375-5891 |
| Primary Part Number | 105-148-1 |
| Item Name | Switch,rotary |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Ward Leonard Ct Llc |
| Status | ACTIVE |
| Switch Contact Basic Design | NONPILE-UP SYMMETRICAL |
| Terminal Type | TAB W/SCREW |
| Mounting Facility Pattern | FOUR POSITION CIRCULAR SINGLE MOUNTING FACILITY |
| Mounting Facility Circle Radius | 0.221 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Contact Load Current Rating | 10.0 AMPERES RESISTIVE LOAD DC AT SEA LEVEL |
| Contact Load Current Rating | 10.0 AMPERES RESISTIVE LOAD AC AT SEA LEVEL |
| Mounting Method | BRACKET(S) AND UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY |
| Unthreaded Mounting Hole Diameter | 0.221 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Pole Quantity | 1 EACH SECTION REAR |
| Style Designator | TAP, CIRCUIT SELECTOR |
| Individual Section Quantity | 4 |
| Features Provided | ACTUATOR KNOB |
| Contact Switching Action | BREAKS BEFORE MAKES EACH SECTION FRONT |
| Contact Voltage Rating in Volts | 125.0 AC AT SEA LEVEL |
| Contact Voltage Rating in Volts | 120.0 DC AT SEA LEVEL |
| Switch Actuator Positioning Increment | 90.0 DEGREES SINGLE ACTUATOR |
| Switch Actuator Indexing Position Quantity | 2 SINGLE ACTUATOR |
| Throw Quantity | 2 EACH SECTION REAR |
| Hazardous Locations/environmental Protection | SHOCK RESISTANT AND VIBRATION RESISTANT |
| 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 |
|---|---|
| 105-148PCALL | Ward Leonard Ct Llc (USA) |
| 50075-4D ITEM 6 | Ward Leonard Ct Llc (USA) |
| 50075BPC30 | Ward Leonard Ct Llc (USA) |
| 105-148-1 PRIMARY | Ward Leonard Ct Llc (USA) |
| 50075-6C ITEM 6 | Ward Leonard Ct Llc (USA) |
| Reference | Meaning |
|---|---|
| 564-6202-1383926 ITEM 6 | 5/2 Secondary reference U.S. Government activity |
| 569-6202-1383920 ITEM 6 | 5/2 Secondary reference U.S. Government activity |
| 6202-3163270PC30 | 5/2 Secondary reference U.S. Government activity |
| 121104MC | 5/2 Secondary reference U.S. Government activity |
| C10150 | 5/9 Secondary reference U.S. Government activity |
NSN 5930-00-375-5891 is a Switch,rotary, manufactured by Ward Leonard Ct Llc, classified under FSC 5930, Switches. Status: active.
NSN 5930-00-375-5891 has 5 manufacturer part numbers on file: 105-148PCALL (Ward Leonard Ct Llc), 50075-4D ITEM 6 (Ward Leonard Ct Llc), 50075BPC30 (Ward Leonard Ct Llc), 105-148-1 (Ward Leonard Ct Llc), 50075-6C ITEM 6 (Ward Leonard Ct Llc).
Key specifications for 105-148-1: Overall Height: 2.500 INCHES NOMINAL IN; Switch Contact Basic Design: NONPILE-UP SYMMETRICAL; Terminal Type: TAB W/SCREW; Mounting Facility Pattern: FOUR POSITION CIRCULAR SINGLE MOUNTING FACILITY. 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.