The Switch,toggle, cataloged under National Stock Number 5930-01-126-8261, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Otto Engineering Inc. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-01-126-8261 |
| Primary Part Number | T1-0211 |
| Item Name | Switch,toggle |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Otto Engineering Inc |
| Status | ACTIVE |
| Bushing Length | 0.460 INCHES NOMINAL IN |
| Actuator Diameter | 0.237 INCHES MINIMUM AND 0.243 INCHES MAXIMUM IN |
| Inclosure Type | FULLY INCLOSED |
| Body Style | BUSHING MOUNT |
| Actuator Style | ROUND |
| Mounting Method | THREADED BUSHING |
| Body Width | 0.750 INCHES MAXIMUM IN |
| Mounting Surface to Terminal End Distance | 1.075 INCHES NOMINAL IN |
| Features Provided | ACTUATOR SEAL |
| Nominal Thread Size | 0.469 INCHES IN |
| Actuator Position-Action Relationship | UP POSITION MAINTAINED AND DOWN POSITION MAINTAINED |
| Body Length | 1.140 INCHES MAXIMUM IN |
| Nonpile-Up Contact Arrangement | 8 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 Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Terminal Type and Quantity | 32 TAB, SOLDER LUG |
| Thread Series Designator | UNS |
| Actuator Height | 0.680 INCHES NOMINAL IN |
| Contact Load Current Rating at Maximum Rated Voltage | 5.000 AMPERES RESISTIVE DC AND 1.000 AMPERES INDUCTIVE DC AND 1.000 AMPERES LAMP DC AND 2.000 AMPERES MOTOR DC |
| 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 |
|---|---|
| ST5M1550-009 | The Boeing Company Div Defense (USA) |
| T1-0211 PRIMARY | Otto Engineering Inc (USA) |
| Reference | Meaning |
|---|---|
| T1-0057 | 5/9 Secondary reference Otto Engineering Inc |
| 10154333 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| T1-0190 | 5/9 Secondary reference Otto Engineering Inc |
NSN 5930-01-126-8261 is a Switch,toggle, manufactured by Otto Engineering Inc, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-126-8261 has 2 manufacturer part numbers on file: ST5M1550-009 (The Boeing Company Div Defense), T1-0211 (Otto Engineering Inc).
Key specifications for T1-0211: Bushing Length: 0.460 INCHES NOMINAL IN; Overall Height: 2.265 INCHES NOMINAL IN; Actuator Diameter: 0.237 INCHES MINIMUM AND 0.243 INCHES MAXIMUM 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.