The Switch,toggle, cataloged under National Stock Number 5930-01-340-1278, 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 21 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5930-01-340-1278 |
| Primary Part Number | T1-0156 |
| Item Name | Switch,toggle |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Otto Engineering Inc |
| Status | ACTIVE |
| Bushing Length | 0.470 INCHES NOMINAL IN |
| Actuator Diameter | 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN |
| Inclosure Type | FULLY INCLOSED |
| Body Style | BUSHING MOUNT |
| Actuator Style | ROUND |
| Mounting Method | THREADED BUSHING |
| Body Width | 0.520 INCHES MAXIMUM IN |
| Mounting Surface to Terminal End Distance | 0.990 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 |
| Body Length | 0.562 INCHES MAXIMUM IN |
| Nonpile-Up Contact Arrangement | 3 POLE, DOUBLE THROW, BOTH POSITIONS MAINTAINED SINGLE SWITCH UNIT |
| Maximum Voltage Rating in Volts | 28.0 DC AND 115.0 AC |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 32 |
| Terminal Type and Quantity | 9 TURRET |
| Thread Series Designator | UNS |
| Actuator Height | 1.140 INCHES NOMINAL IN |
| Contact Load Current Rating at Maximum Rated Voltage | 8.000 AMPERES RESISTIVE DC AND 5.000 AMPERES INDUCTIVE DC AND 1.000 AMPERES RESISTIVE DC AND 5.000 AMPERES MOTOR DC AND 8.000 AMPERES RESISTIVE AC AND 5.000 AMPERES INDUCTIVE AC AND 1.000 AMPERES LAMP AC AND 5.000 AMPERES MOTOR AC |
| Hazardous Locations/environmental Protection | VIBRATION 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 |
|---|---|
| T1-0156 | Otto Engineering Inc (USA) |
| Reference | Meaning |
|---|---|
| 7574329-001 | 3/9 Design control — primary reference General Dynamics Land Systems Inc. |
NSN 5930-01-340-1278 is a Switch,toggle, manufactured by Otto Engineering Inc, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-340-1278 has 1 manufacturer part number on file: T1-0156 (Otto Engineering Inc).
Key specifications for T1-0156: Bushing Length: 0.470 INCHES NOMINAL IN; Overall Height: 2.600 INCHES NOMINAL IN; Actuator Diameter: 0.205 INCHES MINIMUM AND 0.215 INCHES MAXIMUM IN; Inclosure Type: FULLY INCLOSED. 21 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.