The Switch,toggle, cataloged under National Stock Number 5930-00-442-1966, is classified within Federal Supply Class 5930 (Switches) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Assembly Technology Components Inc Dba a T Components Div at Components. Government technical data includes 18 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5930-00-442-1966 |
| Primary Part Number | 4LB3-1C |
| Item Name | Switch,toggle |
| FSC / FSG | 5930 / 59 — Switches |
| Manufacturer | Assembly Technology Components Inc Dba a T Components Div at Components |
| Status | ACTIVE |
| Bushing Length | 0.470 INCHES NOMINAL IN |
| Actuator Diameter | 0.240 INCHES NOMINAL IN |
| Inclosure Type | UNINCLOSED |
| Body Style | BUSHING MOUNT |
| Actuator Style | ROUND |
| Mounting Method | THREADED BUSHING |
| Body Width | 0.780 INCHES NOMINAL IN |
| Mounting Surface to Terminal End Distance | 0.970 INCHES NOMINAL IN |
| Nominal Thread Size | 0.469 INCHES IN |
| Actuator Position-Action Relationship | UP POSITION MAINTAINED AND DOWN POSITION MAINTAINED |
| Body Length | 1.312 INCHES MAXIMUM IN |
| Nonpile-Up Contact Arrangement | 4 POLE, DOUBLE THROW, BOTH POSITIONS MAINTAINED SINGLE SWITCH UNIT |
| Maximum Voltage Rating in Volts | 115.0 AC AND 28.0 DC |
| Thread Quantity Per Inch | 32 |
| Terminal Type and Quantity | 12 TAB, SOLDER LUG |
| Thread Series Designator | UNS |
| Actuator Height | 0.690 INCHES NOMINAL IN |
| Contact Load Current Rating at Maximum Rated Voltage | 4.000 AMPERES RESISTIVE DC AND 2.500 AMPERES INDUCTIVE DC AND 2.000 AMPERES LAMP DC AND 5.000 AMPERES RESISTIVE AC AND 5.000 AMPERES INDUCTIVE AC AND 1.500 AMPERES LAMP AC |
| 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 |
|---|---|
| 4LB3-1C PRIMARY | Assembly Technology Components Inc Dba a T Components Div at Components (USA) |
| Reference | Meaning |
|---|---|
| 4LB3-1C | 5/9 Secondary reference U.S. Government activity |
| 16H304 | 5/1 Secondary reference U.S. Government activity |
| M8805-24-002 | 5/9 Secondary reference U.S. Government activity |
| 4SB3-1 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 5930-00-442-1966 is a Switch,toggle, manufactured by Assembly Technology Components Inc Dba a T Components Div at Components, classified under FSC 5930, Switches. Status: active.
NSN 5930-00-442-1966 has 1 manufacturer part number on file: 4LB3-1C (Assembly Technology Components Inc Dba a T Components Div at Components).
1 possible match (shared part number, not a government interchangeability claim): 4730-01-042-3957. Verify interchangeability with system specifications before substitution.
Key specifications for 4LB3-1C: Bushing Length: 0.470 INCHES NOMINAL IN; Overall Height: 2.130 INCHES NOMINAL IN; Actuator Diameter: 0.240 INCHES NOMINAL IN; Inclosure Type: UNINCLOSED. 18 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.