The Switch,rotary, cataloged under National Stock Number 5930-01-251-8063, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Palomar Products, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-01-251-8063 |
| Primary Part Number | 4950438 |
| Item Name | Switch,rotary |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Palomar Products, Inc. |
| Status | ACTIVE |
| Shaft Type | ROUND, FLATTED SINGLE ACTUATOR |
| Shaft Diameter | 0.125 INCHES NOMINAL SINGLE ACTUATOR IN |
| Switch Contact Basic Design | NONPILE-UP SYMMETRICAL |
| Terminal Type | SOLDER STUD |
| Overall Diameter | 0.500 INCHES NOMINAL IN |
| First Flat Length | 0.350 INCHES NOMINAL SINGLE ACTUATOR IN |
| Contact Load Current Rating | 10.0 MILLIAMPERES RESISTIVE LOAD DC AT SEA LEVEL |
| Contact Load Current Rating | 10.0 MILLIAMPERES RESISTIVE LOAD AC AT SEA LEVEL |
| Mounting Method | THREADED BUSHING WITH PANEL SEAL SINGLE MOUNTING FACILITY |
| Thread Length | 0.250 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Pole Quantity | 2 SINGLE SECTION REAR |
| Style Designator | SNAP OR LINE |
| Individual Section Quantity | 1 |
| Nonturn Device Type | FLATTED BUSHING AT 3:00 OCLOCK |
| Nonturn Device Type | FLATTED BUSHING AT 9:00 OCLOCK |
| Features Provided | SPRING RETURN |
| Nominal Thread Size | 0.250 INCHES SINGLE MOUNTING FACILITY IN |
| Shaft Length | 0.560 INCHES NOMINAL SINGLE ACTUATOR IN |
| Switch Actuator Stop Device Type | FIXED STOP SINGLE ACTUATOR |
| Contact Switching Action | BREAKS BEFORE MAKES SINGLE SECTION REAR |
| Contact Voltage Rating in Volts | 0.03 DC AT SEA LEVEL |
| Contact Voltage Rating in Volts | 0.03 AC AT SEA LEVEL |
| Thread Class | 2A SINGLE MOUNTING FACILITY A |
| Switch Actuator Positioning Increment | 36.0 DEGREES SINGLE ACTUATOR |
| Switch Actuator Indexing Position Quantity | 3 SINGLE ACTUATOR |
| Thread Series Designator | UNF SINGLE MOUNTING FACILITY |
| Flat Height | 0.097 INCHES MINIMUM AND 0.103 INCHES MAXIMUM SINGLE ACTUATOR IN |
| Throw Quantity | 3 SINGLE SECTION REAR |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 5930-01-251-8063 is a Switch,rotary, manufactured by Palomar Products, Inc., classified under FSC 5930, Switches. Status: active.
NSN 5930-01-251-8063 has 2 manufacturer part numbers on file: 4950438 (Palomar Products, Inc.), 1800-3793 (Cole Instrument Corp. Dba Cole Instruments).
Key specifications for 4950438: Shaft Type: ROUND, FLATTED SINGLE ACTUATOR; Shaft Diameter: 0.125 INCHES NOMINAL SINGLE ACTUATOR IN; Switch Contact Basic Design: NONPILE-UP SYMMETRICAL; Terminal Type: SOLDER STUD. 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.