The Switch,toggle, cataloged under National Stock Number 5930-01-186-5542, 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 Defense. Government technical data includes 22 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-01-186-5542 |
| Primary Part Number | ST5M1608-0021E |
| Item Name | Switch,toggle |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Bushing Length | 0.468 INCHES NOMINAL IN |
| Actuator Diameter | 0.420 INCHES NOMINAL IN |
| Inclosure Type | FULLY INCLOSED |
| Actuator Position-Locking Relationship | UP POSITION NO LOCKING ACTION AND DOWN POSITION NO LOCKING ACTION AND CENTER POSITION LOCKED IN |
| Body Style | BUSHING MOUNT |
| Actuator Style | ROUND |
| Mounting Method | THREADED BUSHING |
| Body Width | 0.650 INCHES MAXIMUM IN |
| Body Height | 1.120 INCHES NOMINAL IN |
| Mounting Surface to Terminal End Distance | 1.220 INCHES MAXIMUM IN |
| Features Provided | ACTUATOR SEAL |
| Nominal Thread Size | 0.469 INCHES IN |
| Actuator Position-Action Relationship | UP POSITION MAINTAINED AND DOWN POSITION MAINTAINED AND CENTER POSITION MAINTAINED |
| Body Length | 0.775 INCHES MAXIMUM IN |
| Nonpile-Up Contact Arrangement | 4 POLE, DOUBLE THROW, DOUBLE BREAK/DOUBLE MAKE, PERMANENT JUMPER, BOTH POSITIONS MAINTAINED SINGLE SWITCH UNIT |
| Precious Material and Location | CONTACT SURFACES GOLD |
| Maximum Voltage Rating in Volts | 28.0 DC |
| Thread Quantity Per Inch | 32 |
| Terminal Type and Quantity | 16 TURRET |
| Thread Series Designator | UNS |
| Actuator Height | 1.140 INCHES NOMINAL IN |
| Contact Load Current Rating at Maximum Rated Voltage | 5.000 AMPERES RESISTIVE DC AND 2.000 AMPERES INDUCTIVE DC AND 1.000 AMPERES LAMP DC AND 2.000 AMPERES MOTOR DC |
| 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 |
|---|---|
| T1-0185E | Otto Engineering Inc (USA) |
| ST5M1608-0021E PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| 10135368 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| T1-0027E | 5/9 Secondary reference Otto Engineering Inc |
NSN 5930-01-186-5542 is a Switch,toggle, manufactured by The Boeing Company Div Defense, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-186-5542 has 2 manufacturer part numbers on file: T1-0185E (Otto Engineering Inc), ST5M1608-0021E (The Boeing Company Div Defense).
Key specifications for ST5M1608-0021E: Bushing Length: 0.468 INCHES NOMINAL IN; Overall Height: 2.828 INCHES NOMINAL IN; Actuator Diameter: 0.420 INCHES NOMINAL IN; Inclosure Type: FULLY INCLOSED. 22 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.