The Switch,rotary, cataloged under National Stock Number 5930-01-052-1259, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Eaton Corp Opns & Technical Center. Government technical data includes 23 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5930-01-052-1259 |
| Primary Part Number | E50RB |
| Item Name | Switch,rotary |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Eaton Corp Opns & Technical Center |
| Status | ACTIVE |
| Shaft Type | ROUND, SLOTTED SINGLE ACTUATOR |
| Shaft Diameter | 0.250 INCHES NOMINAL SINGLE ACTUATOR IN |
| Switch Contact Basic Design | NONPILE-UP SYMMETRICAL |
| Terminal Type | SCREW |
| Mounting Facility Pattern | TWO POSITION DIAGONAL SINGLE MOUNTING FACILITY |
| Contact Load Current Rating | 10.0 AMPERES RESISTIVE LOAD AC AT SEA LEVEL |
| Contact Load Current Rating | 100.0 MILLIAMPERES RESISTIVE LOAD DC AT SEA LEVEL |
| Mounting Method | BRACKET(S) AND THREADED HOLE(S) SINGLE MOUNTING FACILITY |
| Style Designator | TAP, CIRCUIT SELECTOR |
| Longest Vertical Distance Between Mounting Centers | 2.340 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Individual Section Quantity | 1 |
| Features Provided | CAM ACTUATED |
| Nominal Thread Size | 0.190 INCHES SINGLE MOUNTING FACILITY IN |
| Shaft Length | 0.625 INCHES NOMINAL FIRST ACTUATOR IN |
| Contact Switching Action | BREAKS BEFORE MAKES SINGLE SECTION REAR |
| Contact Voltage Rating in Volts | 120.0 DC AT SEA LEVEL |
| Contact Voltage Rating in Volts | 240.0 AC AT SEA LEVEL |
| Cam Actuated Switch Contact Arrangement | 3 POLE, DOUBLE THROW, ONE POSITION MOMENTARY SINGLE SWITCH SINGLE SECTION REAR |
| Thread Class | 2B SINGLE MOUNTING FACILITY |
| Switch Actuator Indexing Position Quantity | 9 SINGLE ACTUATOR |
| Thread Series Designator | UNF SINGLE MOUNTING FACILITY |
| Longest Horizontal Distance Between Mounting Centers | 1.160 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Hazardous Locations/environmental Protection | DUSTPROOF |
| 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 |
|---|---|
| E50RB | Eaton Corp Opns & Technical Center (USA) |
| Reference | Meaning |
|---|---|
| E50RB | 3/9 Design control — primary reference Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc |
NSN 5930-01-052-1259 is a Switch,rotary, manufactured by Eaton Corp Opns & Technical Center, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-052-1259 has 1 manufacturer part number on file: E50RB (Eaton Corp Opns & Technical Center).
Key specifications for E50RB: Shaft Type: ROUND, SLOTTED SINGLE ACTUATOR; Overall Height: 4.220 INCHES NOMINAL IN; Shaft Diameter: 0.250 INCHES NOMINAL SINGLE ACTUATOR IN; Switch Contact Basic Design: NONPILE-UP SYMMETRICAL. 23 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.