The Switch,rotary, cataloged under National Stock Number 5930-00-549-0621, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. Government technical data includes 21 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5930-00-549-0621 |
| Item Name | Switch,rotary |
| FSC / FSG | 5930 / 59 — Switches |
| Status | ACTIVE |
| Shaft Type | ROUND, FLATTED SINGLE ACTUATOR |
| Shaft Diameter | 0.250 INCHES NOMINAL SINGLE ACTUATOR IN |
| Switch Contact Basic Design | NONPILE-UP SYMMETRICAL |
| Terminal Type | TAB, SOLDER LUG |
| Mounting Facility Pattern | FOUR POSITION RECTANGULAR SINGLE MOUNTING FACILITY |
| First Flat Length | 0.375 INCHES NOMINAL SINGLE ACTUATOR IN |
| Contact Load Current Rating | 1.0 AMPERES RESISTIVE LOAD DC AT SEA LEVEL |
| Pole Quantity | 1 EACH SECTION FRONT |
| Longest Vertical Distance Between Mounting Centers | 1.500 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Individual Section Quantity | 5 |
| Nominal Thread Size | 0.164 INCHES SINGLE MOUNTING FACILITY IN |
| Shaft Length | 0.562 INCHES NOMINAL SINGLE ACTUATOR IN |
| Contact Switching Action | BREAKS BEFORE MAKES EACH SECTION FRONT |
| Contact Voltage Rating in Volts | 120.0 DC AT SEA LEVEL |
| Switch Actuator Positioning Increment | 15.0 DEGREES SINGLE ACTUATOR |
| Thread Quantity Per Inch | 32 SINGLE MOUNTING FACILITY |
| Switch Actuator Indexing Position Quantity | 24 SINGLE ACTUATOR |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY |
| Flat Height | 0.219 INCHES NOMINAL SINGLE ACTUATOR IN |
| Longest Horizontal Distance Between Mounting Centers | 1.500 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Throw Quantity | 23 EACH SECTION FRONT |
| 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 |
|---|---|
| 84294 | 3/9 Design control — primary reference Arma Div Ambac Industries Inc |
NSN 5930-00-549-0621 is a Switch,rotary, classified under FSC 5930, Switches. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5330-01-330-2971. Verify interchangeability with system specifications before substitution.
Key specifications for 5930-00-549-0621: Shaft Type: ROUND, FLATTED SINGLE ACTUATOR; Overall Height: 2.875 INCHES NOMINAL IN; Shaft Diameter: 0.250 INCHES NOMINAL SINGLE ACTUATOR IN; Switch Contact Basic Design: NONPILE-UP SYMMETRICAL. 21 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.