The Switch,toggle, cataloged under National Stock Number 5930-01-505-1597, 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 20 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-01-505-1597 |
| Primary Part Number | T4-0156 |
| Item Name | Switch,toggle |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Otto Engineering Inc |
| Status | ACTIVE |
| Body Diameter | 0.700 INCHES NOMINAL IN |
| Actuator Diameter | 0.700 INCHES NOMINAL IN |
| Inclosure Type | HERMETICALLY SEALED |
| Body Style | HOLE MOUNT |
| Actuator Style | ROUND, STEPPED |
| Mounting Method | THREADED HOLE(S) |
| Switch Actuator Quantity | 1 |
| Mounting Surface to Terminal End Distance | 0.657 INCHES NOMINAL IN |
| Nominal Thread Size | 0.6875 INCHES IN |
| Actuator Position-Action Relationship | UP POSITION MOMENTARY AND DOWN POSITION MOMENTARY AND CENTER POSITION MAINTAINED AND LEFT POSITION MOMENTARY AND RIGHT POSITION MOMENTARY |
| Body Length | 0.482 INCHES NOMINAL IN |
| Color | BLACK SINGLE ACTUATOR |
| Nonpile-Up Contact Arrangement | 1 FOUR THROW, NORMALLY OPEN, MOMENTARY ACTION SINGLE SWITCH UNIT |
| Maximum Voltage Rating in Volts | 28.0 DC |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 27 |
| Terminal Type and Quantity | 5 TAB, SOLDER LUG |
| Thread Series Designator | UNS |
| Actuator Height | 0.300 INCHES NOMINAL IN |
| Contact Load Current Rating at Maximum Rated Voltage | 1.000 AMPERES INDUCTIVE 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 |
|---|---|
| T4-0156 PRIMARY | Otto Engineering Inc (USA) |
NSN 5930-01-505-1597 is a Switch,toggle, manufactured by Otto Engineering Inc, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-505-1597 has 1 manufacturer part number on file: T4-0156 (Otto Engineering Inc).
Key specifications for T4-0156: Body Diameter: 0.700 INCHES NOMINAL IN; Actuator Diameter: 0.700 INCHES NOMINAL IN; Inclosure Type: HERMETICALLY SEALED; Body Style: HOLE 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.