The Switch,rotary, cataloged under National Stock Number 5930-00-993-9839, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is General Microwave Corporation Div Kratos Microwave Electronics. Government technical data includes 21 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5930-00-993-9839 |
| Primary Part Number | 2905-P1 |
| Item Name | Switch,rotary |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | General Microwave Corporation Div Kratos Microwave Electronics |
| Status | ACTIVE |
| Shaft Type | ROUND SINGLE ACTUATOR |
| Shaft Diameter | 0.250 INCHES NOMINAL SINGLE ACTUATOR IN |
| Switch Contact Basic Design | NONPILE-UP NONSYMMETRICAL |
| Terminal Type | TAB, SOLDER LUG |
| Precious Material | SILVER |
| Contact Load Current Rating | 500.0 MILLIAMPERES RESISTIVE LOAD AC AT SEA LEVEL |
| Contact Load Current Rating | 500.0 MILLIAMPERES RESISTIVE LOAD DC AT SEA LEVEL |
| Mounting Method | THREADED BUSHING SINGLE MOUNTING FACILITY |
| Thread Length | 0.250 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Style Designator | CIRCULAR WAFER, BUSHING MOUNT |
| Individual Section Quantity | 1 |
| Nominal Thread Size | 0.375 INCHES SINGLE MOUNTING FACILITY IN |
| Shaft Length | 0.500 INCHES NOMINAL SINGLE ACTUATOR IN |
| Switch Actuator Stop Device Type | FIXED STOP SINGLE ACTUATOR |
| Contact Voltage Rating in Volts | 28.0 DC AT SEA LEVEL |
| Contact Voltage Rating in Volts | 110.0 AC AT SEA LEVEL |
| Precious Material and Location | ROTOR AND CONTACT SURFACES SILVER |
| Thread Class | 2A SINGLE MOUNTING FACILITY A |
| Switch Actuator Positioning Increment | 30.0 DEGREES SINGLE ACTUATOR |
| Switch Actuator Indexing Position Quantity | 3 SINGLE ACTUATOR |
| Thread Series Designator | UNEF SINGLE MOUNTING FACILITY |
| 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 |
|---|---|
| 2905-P1 PRIMARY | General Microwave Corporation Div Kratos Microwave Electronics (USA) |
| 2905-P1 | Kontron Europe Gmbh (DEU) |
| 243215-A1 | Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch (USA) |
| Reference | Meaning |
|---|---|
| 2905 | 5/9 Secondary reference Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch |
| 2905 | 5/9 Secondary reference General Microwave Corporation Div Kratos Microwave Electronics |
NSN 5930-00-993-9839 is a Switch,rotary, manufactured by General Microwave Corporation Div Kratos Microwave Electronics, classified under FSC 5930, Switches. Status: active.
NSN 5930-00-993-9839 has 3 manufacturer part numbers on file: 2905-P1 (General Microwave Corporation Div Kratos Microwave Electronics), 2905-P1 (Kontron Europe Gmbh), 243215-A1 (Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch).
Key specifications for 2905-P1: Shaft Type: ROUND 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. 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.