The Switch,rotary, cataloged under National Stock Number 5930-00-910-5809, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch. Government technical data includes 27 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-00-910-5809 |
| Primary Part Number | 212189A3 |
| Item Name | Switch,rotary |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch |
| Status | ACTIVE |
| Shaft Type | ROUND, FLATTED SINGLE ACTUATOR |
| Shaft Diameter | 0.250 INCHES NOMINAL SINGLE ACTUATOR IN |
| Switch Contact Basic Design | NONPILE-UP NONSYMMETRICAL |
| Nonturn Device Radius | 0.375 INCHES NOMINAL AT 3:00 OCLOCK IN |
| Terminal Type | TAB, SOLDER LUG |
| Overall Diameter | 1.000 INCHES NOMINAL IN |
| First Flat Length | 0.375 INCHES NOMINAL SINGLE ACTUATOR IN |
| Contact Load Current Rating | 2.0 AMPERES RESISTIVE LOAD DC AT SEA LEVEL |
| Contact Load Current Rating | 1.0 AMPERES RESISTIVE LOAD AC AT SEA LEVEL |
| Mounting Method | THREADED BUSHING SINGLE MOUNTING FACILITY |
| Thread Length | 0.250 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Pole Quantity | 1 THIRD SECTION REAR |
| Pole Quantity | 1 FIRST SECTION FRONT |
| Pole Quantity | 1 SECOND SECTION FRONT |
| Pole Quantity | 1 FIRST SECTION REAR |
| Style Designator | CIRCULAR WAFER, BUSHING MOUNT |
| Individual Section Quantity | 3 |
| Nonturn Device Type | TAB AT 3:00 OCLOCK |
| Nominal Thread Size | 0.375 INCHES SINGLE MOUNTING FACILITY IN |
| Shaft Length | 0.469 INCHES NOMINAL SINGLE ACTUATOR IN |
| Switch Actuator Stop Device Type | FIXED STOP-BREAKOFF TAB SINGLE ACTUATOR |
| Contact Switching Action | BREAKS BEFORE MAKES SECOND SECTION FRONT |
| Contact Switching Action | BREAKS BEFORE MAKES FIRST SECTION FRONT |
| Contact Switching Action | BREAKS BEFORE MAKES FIRST SECTION REAR |
| Contact Switching Action | BREAKS BEFORE MAKES THIRD SECTION REAR |
| Contact Voltage Rating in Volts | 28.0 DC AT SEA LEVEL |
| Contact Voltage Rating in Volts | 110.0 AC AT SEA LEVEL |
| 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 |
|---|---|
| 212189A3 PRIMARY | Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch (USA) |
NSN 5930-00-910-5809 is a Switch,rotary, manufactured by Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch, classified under FSC 5930, Switches. Status: active.
NSN 5930-00-910-5809 has 1 manufacturer part number on file: 212189A3 (Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch).
Key specifications for 212189A3: Shaft Type: ROUND, FLATTED SINGLE ACTUATOR; Overall Height: 1.000 INCHES NOMINAL IN; Shaft Diameter: 0.250 INCHES NOMINAL SINGLE ACTUATOR IN; Switch Contact Basic Design: NONPILE-UP NONSYMMETRICAL. 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.