The Switch,rotary, cataloged under National Stock Number 5930-01-263-5021, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. Government technical data includes 19 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-01-263-5021 |
| Item Name | Switch,rotary |
| FSC / FSG | 5930 / 59 — Switches |
| Status | ACTIVE |
| Switch Contact Basic Design | NONPILE-UP NONSYMMETRICAL |
| Terminal Type | TAB W/SCREW |
| Mounting Facility Pattern | THREE POSITION CIRCULAR SINGLE MOUNTING FACILITY |
| Mounting Facility Circle Radius | 3.315 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Contact Load Current Rating | 30.0 AMPERES RESISTIVE LOAD DC AT SEA LEVEL |
| Contact Load Current Rating | 30.0 AMPERES RESISTIVE LOAD AC AT SEA LEVEL |
| Mounting Method | UNTHREADED HOLE(S) AND BRACKET(S) SINGLE MOUNTING FACILITY |
| Unthreaded Mounting Hole Diameter | 0.375 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Style Designator | TAP, CIRCUIT SELECTOR |
| Individual Section Quantity | 5 |
| Features Provided | ACTUATOR KNOB AND LEGEND PLATE |
| Specification/standard Data | 81349-MIL-S-15743/9 GOVERNMENT SPECIFICATION |
| Switch Actuator Stop Device Type | FIXED STOP SINGLE ACTUATOR |
| Contact Voltage Rating in Volts | 250.0 DC AT SEA LEVEL |
| Contact Voltage Rating in Volts | 500.0 AC AT SEA LEVEL |
| Test Data Document | 81349-MIL-S-15743 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
| Switch Actuator Positioning Increment | 90.0 DEGREES SINGLE ACTUATOR |
| Switch Actuator Indexing Position Quantity | 2 SINGLE ACTUATOR |
| Hazardous Locations/environmental Protection | WATERTIGHT |
| 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 |
|---|---|
| M15743/9-003 | 2/2 Government specification standardization U.S. Government activity |
| MIL-DTL-15743/9 | 4/1 Identification reference U.S. Government activity |
| MIL-S-15743/9 | 5/9 Secondary reference U.S. Government activity |
NSN 5930-01-263-5021 is a Switch,rotary, classified under FSC 5930, Switches. Status: active.
3 possible matches (shared part number, not a government interchangeability claim): 5930-01-265-8016, 5930-01-265-8017, 5340-01-398-5094. Verify interchangeability with system specifications before substitution.
Key specifications for 5930-01-263-5021: Overall Height: 6.750 INCHES NOMINAL IN; Switch Contact Basic Design: NONPILE-UP NONSYMMETRICAL; Terminal Type: TAB W/SCREW; Mounting Facility Pattern: THREE 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.