The Switch,toggle, cataloged under National Stock Number 5930-01-448-3939, 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 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5930-01-448-3939 |
| Primary Part Number | T4-0163 |
| Item Name | Switch,toggle |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Otto Engineering Inc |
| Status | ACTIVE |
| Body Diameter | 0.750 INCHES NOMINAL IN |
| Inclosure Type | FULLY INCLOSED |
| Actuator Width | 0.200 INCHES NOMINAL IN |
| Switch Actuator Quantity | 1 |
| Body Length | 0.575 INCHES NOMINAL IN |
| Nonpile-Up Contact Arrangement | 1 FOUR THROW, NORMALLY OPEN, MOMENTARY ACTION SINGLE SWITCH UNIT |
| Maximum Voltage Rating in Volts | 28.0 DC |
| Terminal Type and Quantity | 4 TAB, SOLDER LUG |
| Actuator Height | 0.740 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 |
|---|---|
| T4-0163 PRIMARY | Otto Engineering Inc (USA) |
| Reference | Meaning |
|---|---|
| EB000116-001 | 7/2 Vendor item drawing reference L3harris Technologies Integrated Systems L.p. Div Integrated Aerospace Systems |
NSN 5930-01-448-3939 is a Switch,toggle, manufactured by Otto Engineering Inc, classified under FSC 5930, Switches. Status: active.
NSN 5930-01-448-3939 has 1 manufacturer part number on file: T4-0163 (Otto Engineering Inc).
Key specifications for T4-0163: Body Diameter: 0.750 INCHES NOMINAL IN; Inclosure Type: FULLY INCLOSED; Actuator Width: 0.200 INCHES NOMINAL IN; Switch Actuator Quantity: 1. 10 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.