The Switch,rotary, cataloged under National Stock Number 5930-00-008-4378, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Keysight Technologies Inc. Government technical data includes 28 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5930-00-008-4378 |
| Primary Part Number | 3100-2509 |
| Item Name | Switch,rotary |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Keysight Technologies Inc |
| Status | ACTIVE |
| Shaft Type | ROUND SECOND ACTUATOR |
| Shaft Type | ROUND, HOLLOWED FIRST ACTUATOR |
| Shaft Diameter | 0.125 INCHES NOMINAL SECOND ACTUATOR IN |
| Shaft Diameter | 0.250 INCHES NOMINAL FIRST ACTUATOR IN |
| Switch Contact Basic Design | NONPILE-UP SYMMETRICAL AND NONPILE-UP NONSYMMETRICAL |
| Terminal Type | TAB, SOLDER LUG |
| Detent Rotational Torque Range | +15.000 TO 35.000 INCH-OUNCES FIRST ACTUATOR IN |
| Precious Material | SILVER |
| 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 | 0.375 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Pole Quantity | 1 THIRD SECTION FRONT |
| Pole Quantity | 1 FIRST SECTION FRONT |
| Style Designator | CIRCULAR WAFER, BUSHING MOUNT |
| Individual Section Quantity | 6 |
| Features Provided | VARIABLE RESISTOR PROVISIONS |
| Nominal Thread Size | 0.375 INCHES SINGLE MOUNTING FACILITY IN |
| Shaft Length | 0.625 INCHES NOMINAL FIRST ACTUATOR IN |
| Shaft Length | 1.023 INCHES NOMINAL SECOND ACTUATOR IN |
| Switch Actuator Stop Device Type | FIXED STOP FIRST ACTUATOR |
| Contact Switching Action | MAKES BEFORE BREAKS THIRD SECTION FRONT |
| Contact Switching Action | MAKES BEFORE BREAKS FIRST SECTION FRONT |
| Contact Switching Action | MAKES BEFORE BREAKS FIFTH SECTION FRONT |
| Contact Switching Action | MAKES BEFORE BREAKS SIXTH SECTION FRONT |
| Contact Switching Action | MAKES BEFORE BREAKS FIFTH SECTION REAR |
| Contact Switching Action | MAKES BEFORE BREAKS SECOND SECTION REAR |
| Contact Switching Action | MAKES BEFORE BREAKS FOURTH 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 |
| Part Number | Manufacturer |
|---|---|
| 273272A6 | Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch (USA) |
| 3100-2509 PRIMARY | Keysight Technologies Inc (USA) |
| Reference | Meaning |
|---|---|
| 3100-2509 | 5/9 Secondary reference Hewlett-Packard Company Dba HP |
| 3100-2509 | 3/9 Design control — primary reference Keysight Technologies, Inc. |
NSN 5930-00-008-4378 is a Switch,rotary, manufactured by Keysight Technologies Inc, classified under FSC 5930, Switches. Status: active.
NSN 5930-00-008-4378 has 2 manufacturer part numbers on file: 273272A6 (Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch), 3100-2509 (Keysight Technologies Inc).
Key specifications for 3100-2509: Shaft Type: ROUND SECOND ACTUATOR; Shaft Type: ROUND, HOLLOWED FIRST ACTUATOR; Overall Height: 0.937 INCHES NOMINAL IN; Shaft Diameter: 0.125 INCHES NOMINAL SECOND ACTUATOR IN. 28 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.