The Switch,toggle, cataloged under National Stock Number 5930-01-274-9177, 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 17 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-01-274-9177 |
| Primary Part Number | T4-0063 |
| Item Name | Switch,toggle |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Otto Engineering Inc |
| Status | ACTIVE |
| Body Diameter | 0.600 INCHES NOMINAL IN |
| Actuator Diameter | 0.700 INCHES NOMINAL IN |
| Inclosure Type | FULLY INCLOSED |
| Body Style | HOLE MOUNT |
| Actuator Style | ROUND |
| Mounting Method | THREADED BUSHING |
| Mounting Surface to Terminal End Distance | 0.750 INCHES NOMINAL IN |
| Actuator Position-Action Relationship | UP POSITION MAINTAINED AND DOWN POSITION MAINTAINED AND CENTER POSITION MAINTAINED AND LEFT POSITION MAINTAINED AND RIGHT POSITION MAINTAINED |
| Unable to Decode | UNABLE TO DECODE |
| Color | BLACK SINGLE ACTUATOR |
| Nonpile-Up Contact Arrangement | 1 FOUR THROW, NORMALLY OPEN, MOMENTARY ACTION SINGLE SWITCH UNIT |
| Precious Material and Location | TERMINAL SURFACES SILVER |
| Maximum Voltage Rating in Volts | 28.0 DC |
| Terminal Type and Quantity | 4 TAB, SOLDER LUG |
| Actuator Height | 0.415 INCHES NOMINAL IN |
| Contact Load Current Rating at Maximum Rated Voltage | 1.000 AMPERES INDUCTIVE 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 |
|---|---|
| T4-0063 PRIMARY | Otto Engineering Inc (USA) |
| Reference | Meaning |
|---|---|
| 5930PL0651549 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| C10957-5 | 7/2 Vendor item drawing reference U.S. Government activity |
| 5930PL1697779 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 5930-01-274-9177 is a Switch,toggle, manufactured by Otto Engineering Inc, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-274-9177 has 1 manufacturer part number on file: T4-0063 (Otto Engineering Inc).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-346-4266. Verify interchangeability with system specifications before substitution.
Key specifications for T4-0063: Body Diameter: 0.600 INCHES NOMINAL IN; Overall Height: 0.700 INCHES NOMINAL IN; Actuator Diameter: 0.700 INCHES NOMINAL IN; Inclosure Type: FULLY INCLOSED. 17 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.