The Switch,rotary, cataloged under National Stock Number 5930-00-202-9213, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Westinghouse Electric Corp. Government technical data includes 24 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-00-202-9213 |
| Primary Part Number | 904J082PC21 |
| Item Name | Switch,rotary |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Westinghouse Electric Corp |
| 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 | 1.625 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 THREADED HOLE(S) SINGLE MOUNTING FACILITY |
| Pole Quantity | 1 EACH SECTION FRONT |
| Style Designator | TAP, CIRCUIT SELECTOR |
| Individual Section Quantity | 2 |
| Knob Manufacturer Code | 82121 |
| Features Provided | ACTUATOR KNOB |
| Nominal Thread Size | 0.190 INCHES SINGLE MOUNTING FACILITY IN |
| Switch Actuator Stop Device Type | ADJUSTABLE STOP SINGLE ACTUATOR |
| 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 | 30.0 DC AT SEA LEVEL |
| Thread Class | 2B SINGLE MOUNTING FACILITY |
| Switch Actuator Positioning Increment | 45.0 DEGREES SINGLE ACTUATOR |
| Thread Quantity Per Inch | 24 SINGLE MOUNTING FACILITY |
| Switch Actuator Indexing Position Quantity | 8 SINGLE ACTUATOR |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY |
| Throw Quantity | 7 EACH SECTION FRONT |
| 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 |
|---|---|
| 904J082PC21 PRIMARY | Westinghouse Electric Corp (USA) |
| Reference | Meaning |
|---|---|
| 23302G | 5/2 Secondary reference U.S. Government activity |
NSN 5930-00-202-9213 is a Switch,rotary, manufactured by Westinghouse Electric Corp, classified under FSC 5930, Switches. Status: active.
NSN 5930-00-202-9213 has 1 manufacturer part number on file: 904J082PC21 (Westinghouse Electric Corp).
1 possible match (shared part number, not a government interchangeability claim): 5930-00-929-4878. Verify interchangeability with system specifications before substitution.
Key specifications for 904J082PC21: Overall Height: 2.813 INCHES NOMINAL IN; Switch Contact Basic Design: NONPILE-UP SYMMETRICAL; Terminal Type: TAB W/SCREW; Mounting Facility Pattern: FOUR POSITION CIRCULAR SINGLE MOUNTING FACILITY. 24 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.