The Switch,rotary, cataloged under National Stock Number 5930-00-231-9795, 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 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-00-231-9795 |
| Primary Part Number | 27009H4 |
| 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 SYMMETRICAL |
| Terminal Type | TAB, SOLDER LUG |
| First Flat Length | 0.375 INCHES NOMINAL SINGLE ACTUATOR IN |
| Mounting Method | THREADED BUSHING SINGLE MOUNTING FACILITY |
| Thread Length | 0.375 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Pole Quantity | 1 FOURTH SECTION FRONT |
| Pole Quantity | 1 THIRD SECTION REAR |
| Pole Quantity | 1 FIRST SECTION FRONT |
| Pole Quantity | 1 SECOND SECTION REAR |
| Pole Quantity | 1 FOURTH SECTION REAR |
| Pole Quantity | 1 FIRST SECTION REAR |
| Style Designator | CIRCULAR WAFER, BUSHING MOUNT |
| Individual Section Quantity | 4 |
| Nominal Thread Size | 0.375 INCHES SINGLE MOUNTING FACILITY IN |
| Shaft Length | 3.688 INCHES NOMINAL SINGLE ACTUATOR IN |
| Contact Switching Action | BREAKS BEFORE MAKES SECOND SECTION REAR |
| Contact Switching Action | BREAKS BEFORE MAKES FIRST SECTION FRONT |
| Contact Switching Action | BREAKS BEFORE MAKES FIRST SECTION REAR |
| Contact Switching Action | BREAKS BEFORE MAKES FOURTH SECTION REAR |
| Contact Switching Action | BREAKS BEFORE MAKES THIRD SECTION REAR |
| Contact Switching Action | BREAKS BEFORE MAKES FOURTH SECTION FRONT |
| Switch Actuator Positioning Increment | 30.0 DEGREES SINGLE ACTUATOR |
| Switch Actuator Indexing Position Quantity | 8 SINGLE ACTUATOR |
| Thread Series Designator | UNEF SINGLE MOUNTING FACILITY |
| Flat Height | 0.218 INCHES NOMINAL 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 |
| Part Number | Manufacturer |
|---|---|
| 27009H3 | Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch (USA) |
| 27009H4 PRIMARY | Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch (USA) |
| Reference | Meaning |
|---|---|
| 3Z9825-75R3 | 5/2 Secondary reference U.S. Government activity |
| 452-1224 | 5/9 Secondary reference Lockheed Martin Corporation Div Lockheed Martin Information Systems & Global Solutions |
NSN 5930-00-231-9795 is a Switch,rotary, manufactured by Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch, classified under FSC 5930, Switches. Status: active.
NSN 5930-00-231-9795 has 2 manufacturer part numbers on file: 27009H3 (Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch), 27009H4 (Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch).
Key specifications for 27009H4: Shaft Type: ROUND, FLATTED SINGLE ACTUATOR; Overall Height: 1.875 INCHES NOMINAL IN; Shaft Diameter: 0.250 INCHES NOMINAL 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.