The Switch,rotary, cataloged under National Stock Number 5930-00-421-2971, 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27 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5930-00-421-2971 |
| Item Name | Switch,rotary |
| FSC / FSG | 5930 / 59 — Switches |
| Status | ACTIVE |
| Shaft Type | ROUND, FLATTED SINGLE ACTUATOR |
| Shaft Diameter | 0.248 INCHES MINIMUM AND 0.251 INCHES MAXIMUM SINGLE ACTUATOR IN |
| Switch Contact Basic Design | NONPILE-UP SYMMETRICAL |
| Nonturn Device Radius | 0.520 INCHES MINIMUM AND 0.540 INCHES MAXIMUM AT 3:00 OCLOCK IN |
| Terminal Type | TAB, SOLDER LUG |
| First Flat Length | 0.536 INCHES NOMINAL SINGLE ACTUATOR IN |
| Precious Material | SILVER |
| Contact Load Current Rating | 2.0 AMPERES RESISTIVE LOAD AC AT SEA LEVEL |
| Contact Load Current Rating | 2.0 AMPERES RESISTIVE LOAD DC AT SEA LEVEL |
| Mounting Method | THREADED BUSHING SINGLE MOUNTING FACILITY |
| Thread Length | 0.250 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Pole Quantity | 1 EACH SECTION REAR |
| Style Designator | SQUARE WAFER, PANEL MOUNT |
| Individual Section Quantity | 2 |
| Nonturn Device Type | TAB AT 3:00 OCLOCK |
| Nominal Thread Size | 0.375 INCHES SINGLE MOUNTING FACILITY IN |
| Shaft Length | 0.630 INCHES NOMINAL SINGLE ACTUATOR IN |
| Switch Actuator Stop Device Type | FIXED STOP SINGLE ACTUATOR |
| Contact Switching Action | BREAKS BEFORE MAKES EACH SECTION REAR |
| Contact Voltage Rating in Volts | 115.0 AC AT SEA LEVEL |
| Contact Voltage Rating in Volts | 28.0 DC AT SEA LEVEL |
| Precious Material and Location | CONTACTS AND ROTOR BLADES SILVER |
| Thread Class | 2A SINGLE MOUNTING FACILITY A |
| Switch Actuator Positioning Increment | 30.0 DEGREES SINGLE ACTUATOR |
| Switch Actuator Indexing Position Quantity | 5 SINGLE ACTUATOR |
| Thread Series Designator | UNEF SINGLE MOUNTING FACILITY |
| Flat Height | 0.213 INCHES MINIMUM AND 0.223 INCHES MAXIMUM SINGLE ACTUATOR IN |
| 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 |
|---|---|
| 500298 | 5/9 Secondary reference Cts Corp of California Dba Cts Electronics Corp Paso Robles Div Electromechanical Group |
| KS10401-11 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5930-00-421-2971 is a Switch,rotary, classified under FSC 5930, Switches. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5961-01-175-4856. Verify interchangeability with system specifications before substitution.
Key specifications for 5930-00-421-2971: Shaft Type: ROUND, FLATTED SINGLE ACTUATOR; Overall Height: 1.320 INCHES NOMINAL IN; Shaft Diameter: 0.248 INCHES MINIMUM AND 0.251 INCHES MAXIMUM 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.