The Switch,toggle, cataloged under National Stock Number 5930-01-023-6943, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is The Boeing Company Div Commercial. Government technical data includes 20 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-01-023-6943 |
| Primary Part Number | BACS30EM55 |
| Item Name | Switch,toggle |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | The Boeing Company Div Commercial |
| Status | ACTIVE |
| Bushing Length | 0.500 INCHES NOMINAL IN |
| Actuator Diameter | 0.240 INCHES NOMINAL IN |
| Inclosure Type | FULLY INCLOSED |
| Body Style | BUSHING MOUNT |
| Actuator Style | ROUND |
| Mounting Method | THREADED BUSHING |
| Body Width | 0.670 INCHES MAXIMUM IN |
| Mounting Surface to Terminal End Distance | 1.150 INCHES MAXIMUM IN |
| Nominal Thread Size | 0.469 INCHES IN |
| Actuator Position-Action Relationship | UP POSITION MOMENTARY AND DOWN POSITION MOMENTARY |
| Body Length | 1.300 INCHES MAXIMUM IN |
| Nonpile-Up Contact Arrangement | 4 POLE, DOUBLE THROW, TWO POSITIONS MOMENTARY SINGLE SWITCH UNIT |
| Maximum Voltage Rating in Volts | 250.0 AC AND 28.0 DC |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Terminal Type and Quantity | 12 TAB, SOLDER LUG |
| Thread Series Designator | UNS |
| Actuator Height | 0.656 INCHES NOMINAL IN |
| Contact Load Current Rating at Maximum Rated Voltage | 24.000 AMPERES RESISTIVE DC AND 7.500 AMPERES INDUCTIVE DC AND 2.500 AMPERES LAMP DC AND 4.000 AMPERES MOTOR DC AND 15.000 AMPERES RESISTIVE AC AND 7.000 AMPERES INDUCTIVE AC |
| 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 |
|---|---|
| 64AT11-3 | Honeywell Control Systems Ltd Div Automation & Control Solutions - Service (GBR) |
| BACS30EM55 PRIMARY | The Boeing Company Div Commercial (USA) |
| Reference | Meaning |
|---|---|
| 64AT11-3 | 5/2 Secondary reference U.S. Government activity |
| 64AT11-3 | 5/9 Secondary reference Honeywell Control Systems Ltd |
| A3-1110-05 | 5/2 Secondary reference U.S. Government activity |
| BACS30EM55 | 5/9 Secondary reference U.S. Government activity |
NSN 5930-01-023-6943 is a Switch,toggle, manufactured by The Boeing Company Div Commercial, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-023-6943 has 2 manufacturer part numbers on file: 64AT11-3 (Honeywell Control Systems Ltd Div Automation & Control Solutions - Service), BACS30EM55 (The Boeing Company Div Commercial).
Key specifications for BACS30EM55: Bushing Length: 0.500 INCHES NOMINAL IN; Actuator Diameter: 0.240 INCHES NOMINAL IN; Inclosure Type: FULLY INCLOSED; Body Style: BUSHING MOUNT. 20 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.