The Switch,rotary, cataloged under National Stock Number 5930-01-010-0578, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Honeywell International Inc. Dba Honeywell International. Government technical data includes 29 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-01-010-0578 |
| Primary Part Number | 1034619-121 |
| Item Name | Switch,rotary |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Honeywell International Inc. Dba Honeywell International |
| 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 | 1.094 INCHES NOMINAL IN |
| First Flat Length | 0.312 INCHES NOMINAL SINGLE ACTUATOR IN |
| Contact Load Current Rating | 100.0 MILLIAMPERES RESISTIVE LOAD DC AT ALTITUDE |
| Contact Load Current Rating | 25.0 MILLIAMPERES RESISTIVE LOAD AC AT ALTITUDE |
| Contact Load Current Rating | 50.0 MILLIAMPERES RESISTIVE LOAD AC AT SEA LEVEL |
| Contact Load Current Rating | 200.0 MILLIAMPERES RESISTIVE LOAD AND 20.0 MILLIAMPERES INDUCTIVE LOAD DC AT SEA LEVEL |
| Mounting Method | THREADED BUSHING SINGLE MOUNTING FACILITY |
| Thread Length | 0.375 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Pole Quantity | 1 SINGLE SECTION FRONT |
| Pole Quantity | 2 SINGLE SECTION REAR |
| Style Designator | CIRCULAR WAFER, BUSHING MOUNT |
| Individual Section Quantity | 1 |
| Nonturn Device Type | TAB AT 3:00 OCLOCK |
| Nominal Thread Size | 0.375 INCHES SINGLE MOUNTING FACILITY IN |
| Shaft Length | 0.375 INCHES NOMINAL SINGLE ACTUATOR IN |
| Contact Switching Action | BREAKS BEFORE MAKES SINGLE SECTION REAR |
| Contact Switching Action | BREAKS BEFORE MAKES SINGLE SECTION FRONT |
| Contact Voltage Rating in Volts | 30.0 DC AT ALTITUDE |
| Contact Voltage Rating in Volts | 30.0 DC AT SEA LEVEL |
| Contact Voltage Rating in Volts | 150.0 AC AT ALTITUDE |
| Contact Voltage Rating in Volts | 150.0 AC AT SEA LEVEL |
| Operating Temp Range | -65.0 TO 125.0 CELSIUS DEGC |
| Switch Actuator Positioning Increment | 30.0 DEGREES SINGLE ACTUATOR |
| Switch Actuator Indexing Position Quantity | 4 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 |
|---|---|
| 5-21531-423 | Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch (USA) |
| PA500-064 | Electro Switch Corp Div Electroswitch (USA) |
| 1034619-121 PRIMARY | Honeywell International Inc. Dba Honeywell International (USA) |
| Reference | Meaning |
|---|---|
| 1034619-121 | 5/9 Secondary reference Lockheed Martin Corporation Div Rms - Mitchel Field |
| 101445 | 5/9 Secondary reference Crl Components Inc |
| PA500-064 | 5/9 Secondary reference Crl Components Inc |
NSN 5930-01-010-0578 is a Switch,rotary, manufactured by Honeywell International Inc. Dba Honeywell International, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-010-0578 has 3 manufacturer part numbers on file: 5-21531-423 (Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch), PA500-064 (Electro Switch Corp Div Electroswitch), 1034619-121 (Honeywell International Inc. Dba Honeywell International).
2 possible matches (shared part number, not a government interchangeability claim): 4220-01-298-9872, 5930-01-514-1679. Verify interchangeability with system specifications before substitution.
Key specifications for 1034619-121: 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.