The Switch,rotary, cataloged under National Stock Number 5930-01-042-1902, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Raytheon Company Div Rmd Strategic. Government technical data includes 29 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-01-042-1902 |
| Primary Part Number | 721844-29 |
| Item Name | Switch,rotary |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Raytheon Company Div Rmd Strategic |
| Status | ACTIVE |
| Shaft Type | ROUND, FLATTED SINGLE ACTUATOR |
| Shaft Diameter | 0.250 INCHES NOMINAL SINGLE ACTUATOR IN |
| Switch Contact Basic Design | NONPILE-UP SYMMETRICAL |
| Terminal Type | TAB, SOLDER LUG |
| Overall Diameter | 1.150 INCHES NOMINAL IN |
| First Flat Length | 0.310 INCHES NOMINAL SINGLE ACTUATOR IN |
| Rotor Through Connection Quantity | 1 EACH SECTION |
| Contact Load Current Rating | 5.5 AMPERES RESISTIVE LOAD HIGHEST DC VOLTAGE RATING AT SEA LEVEL |
| Contact Load Current Rating | 5.0 AMPERES RESISTIVE LOAD AC AT SEA LEVEL |
| Contact Load Current Rating | 2.5 AMPERES INDUCTIVE LOAD LOWEST DC VOLTAGE RATING AT SEA LEVEL |
| Mounting Method | THREADED BUSHING SINGLE MOUNTING FACILITY |
| Thread Length | 0.250 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Pole Quantity | 1 EACH SECTION FRONT |
| Style Designator | TAP, CIRCULAR, BUSHING MOUNT |
| Individual Section Quantity | 2 |
| Nominal Thread Size | 0.375 INCHES SINGLE MOUNTING FACILITY IN |
| Shaft Length | 0.449 INCHES NOMINAL SINGLE ACTUATOR IN |
| Switch Actuator Stop Device Type | FIXED STOP SINGLE ACTUATOR |
| Contact Switching Action | BREAKS BEFORE MAKES SECOND SECTION REAR |
| Contact Switching Action | MAKES BEFORE BREAKS FIRST SECTION REAR |
| Contact Voltage Rating in Volts | 30.0 HIGHEST DC VOLTAGE RATING AT SEA LEVEL |
| Contact Voltage Rating in Volts | 28.0 LOWEST DC VOLTAGE RATING AT SEA LEVEL |
| Contact Voltage Rating in Volts | 115.0 AC AT SEA LEVEL |
| Thread Class | 2A SINGLE MOUNTING FACILITY A |
| Switch Actuator Positioning Increment | 45.0 DEGREES SINGLE ACTUATOR |
| Switch Actuator Indexing Position Quantity | 7 SINGLE ACTUATOR |
| Thread Series Designator | UNEF SINGLE MOUNTING FACILITY |
| Shaft Flat/slot Angular Location | 0.0 DEGREES FROM CONTACT POSITION 1 SINGLE ACTUATOR |
| Flat Height | 0.216 INCHES NOMINAL SINGLE ACTUATOR IN |
| 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 |
|---|---|
| 721844-29 PRIMARY | Raytheon Company Div Rmd Strategic (USA) |
| Reference | Meaning |
|---|---|
| 59-1960-2 | 5/2 Secondary reference U.S. Government activity |
| 721844-029 | C/1 Advisory reference — outside the item-of-supply concept Raytheon Company Div Rmd Strategic |
NSN 5930-01-042-1902 is a Switch,rotary, manufactured by Raytheon Company Div Rmd Strategic, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-042-1902 has 1 manufacturer part number on file: 721844-29 (Raytheon Company Div Rmd Strategic).
Key specifications for 721844-29: Shaft Type: ROUND, FLATTED SINGLE ACTUATOR; Shaft Diameter: 0.250 INCHES NOMINAL SINGLE ACTUATOR IN; Switch Contact Basic Design: NONPILE-UP SYMMETRICAL; Terminal Type: TAB, SOLDER LUG. 29 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.