The Switch,rotary, cataloged under National Stock Number 5930-01-497-6648, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Telephonics Corp. Government technical data includes 17 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-01-497-6648 |
| Primary Part Number | S235A309 |
| Item Name | Switch,rotary |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Telephonics Corp |
| Status | ACTIVE |
| Switch Contact Basic Design | NONPILE-UP SYMMETRICAL |
| Terminal Type | PIN |
| Overall Diameter | 0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN |
| Contact Load Current Rating | 150.0 MILLIAMPERES RESISTIVE LOAD DC AT SEA LEVEL |
| Contact Load Current Rating | 30.0 MILLIAMPERES INDUCTIVE LOAD AC AT SEA LEVEL |
| Mounting Method | THREADED BUSHING SINGLE MOUNTING FACILITY |
| Thread Length | 0.160 INCHES MINIMUM AND 0.175 INCHES MAXIMUM SINGLE MOUNTING FACILITY IN |
| Style Designator | SNAP OR LINE |
| Individual Section Quantity | 1 |
| Thread Pitch Diameters | +0.2447 TO 0.2491 INCHES SINGLE MOUNTING FACILITY IN |
| Nominal Thread Size | 0.250 INCHES SINGLE MOUNTING FACILITY IN |
| Contact Voltage Rating in Volts | 28.0 AC AT SEA LEVEL |
| Contact Voltage Rating in Volts | 115.0 DC AT SEA LEVEL |
| Thread Class | 2A SINGLE MOUNTING FACILITY A |
| Thread Quantity Per Inch | 40 SINGLE MOUNTING FACILITY |
| Switch Actuator Indexing Position Quantity | 2 SINGLE ACTUATOR |
| Thread Series Designator | UNS 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 |
|---|---|
| S235A309 PRIMARY | Telephonics Corp (USA) |
| 1800-3977-1 PRIMARY | Cole Instrument Corp. Dba Cole Instruments (USA) |
| Reference | Meaning |
|---|---|
| S235A309 78711 | 7/2 Vendor item drawing reference Telephonics Corp |
NSN 5930-01-497-6648 is a Switch,rotary, manufactured by Telephonics Corp, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-497-6648 has 2 manufacturer part numbers on file: S235A309 (Telephonics Corp), 1800-3977-1 (Cole Instrument Corp. Dba Cole Instruments).
Key specifications for S235A309: Switch Contact Basic Design: NONPILE-UP SYMMETRICAL; Terminal Type: PIN; Overall Diameter: 0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN; Contact Load Current Rating: 150.0 MILLIAMPERES RESISTIVE LOAD DC AT SEA LEVEL. 17 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.