The Switch,toggle, cataloged under National Stock Number 5930-01-259-3724, 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 23 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-01-259-3724 |
| Primary Part Number | ST5M1608-0021N |
| Item Name | Switch,toggle |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Bushing Length | 0.468 INCHES NOMINAL0.468 INCHES NOMINAL IN |
| Actuator Diameter | 0.420 INCHES NOMINAL0.420 INCHES NOMINAL IN |
| Inclosure Type | FULLY INCLOSEDFULLY INCLOSED |
| Actuator Position-Locking Relationship | UP POSITION LOCKED OUTUP POSITION LOCKED OUT |
| Body Style | BUSHING MOUNTBUSHING MOUNT |
| Actuator Style | ROUNDROUND |
| Mounting Method | THREADED BUSHINGTHREADED BUSHING |
| Body Width | 0.650 INCHES MAXIMUM0.650 INCHES MAXIMUM IN |
| Body Height | 1.120 INCHES NOMINAL1.120 INCHES NOMINAL IN |
| Features Provided | ACTUATOR SEALACTUATOR SEAL |
| Nominal Thread Size | 0.469 INCHES0.469 INCHES IN |
| Actuator Position-Action Relationship | UP POSITION MAINTAINED AND UP POSITION MAINTAINED AND DOWN POSITION MAINTAINED AND DOWN POSITION MAINTAINED AND CENTER POSITION MAINTAINEDCENTER POSITION MAINTAINED |
| Body Length | 0.775 INCHES MAXIMUM0.775 INCHES MAXIMUM IN |
| Nonpile-Up Contact Arrangement | 4 TWO CIRCUIT, DOUBLE BREAK/DOUBLE MAKE, BOTH POSITIONS MAINTAINED SINGLE SWITCH UNIT |
| Precious Material and Location | CONTACT SURFACES GOLD |
| Maximum Voltage Rating in Volts | 28.0 DC28.0 DC |
| Thread Class | 2A2A |
| Thread Quantity Per Inch | 3232 |
| Terminal Type and Quantity | 16 TURRET |
| Thread Series Designator | UNS |
| Actuator Height | 1.140 INCHES NOMINAL1.140 INCHES NOMINAL IN |
| Contact Load Current Rating at Maximum Rated Voltage | 5.000 AMPERES RESISTIVE DC AND 2.000 AMPERES INDUCTIVE DC |
| Hazardous Locations/environmental Protection | SHOCK RESISTANT AND SHOCK RESISTANT AND VIBRATION RESISTANTVIBRATION RESISTANT |
| 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 |
|---|---|
| ST5M1608-0021N PRIMARY | The Boeing Company Div Defense (USA) |
| T1-0185N | Otto Engineering Inc (USA) |
| Reference | Meaning |
|---|---|
| T1-0027N | 5/9 Secondary reference Otto Engineering Inc |
NSN 5930-01-259-3724 is a Switch,toggle, manufactured by The Boeing Company Div Defense, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-259-3724 has 2 manufacturer part numbers on file: ST5M1608-0021N (The Boeing Company Div Defense), T1-0185N (Otto Engineering Inc).
Key specifications for ST5M1608-0021N: Bushing Length: 0.468 INCHES NOMINAL0.468 INCHES NOMINAL IN; Overall Height: 2.828 INCHES NOMINAL2.828 INCHES NOMINAL IN; Actuator Diameter: 0.420 INCHES NOMINAL0.420 INCHES NOMINAL IN; Inclosure Type: FULLY INCLOSEDFULLY INCLOSED. 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.