The Light-Switch Assembly, cataloged under National Stock Number 5999-01-033-8747, is classified within Federal Supply Class 5999 (Miscellaneous Electrical and Electronic Components) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Safran Electronics & Defense, Avionics Usa, Llc. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5999-01-033-8747 |
| Primary Part Number | 90EA1C4F3J1AL1N1 |
| Item Name | Light-Switch Assembly |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | Safran Electronics & Defense, Avionics Usa, Llc |
| Status | ACTIVE |
| Component Type and Quantity | 1 SWITCH AND 2 LIGHT |
| Lamp Bulb Size Designator | T-1 3/4 |
| Lens Color | AMBER |
| Features Provided | LUMINOUS ACTUATOR |
| Lamp Base Style | MIDGET FLANGE |
| Switch Type | PUSH |
| Environmental Protection | FUNGUS RESISTANT |
| Voltage Rating | 28.0 VOLTS NOMINAL |
| 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 |
|---|---|
| 90EA1C4F3J1AL1N1 PRIMARY | Safran Electronics & Defense, Avionics Usa, Llc (USA) |
| Reference | Meaning |
|---|---|
| 90EA1C4F3J1AL1N1 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5999-01-033-8747 is a Light-Switch Assembly, manufactured by Safran Electronics & Defense, Avionics Usa, Llc, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-01-033-8747 has 1 manufacturer part number on file: 90EA1C4F3J1AL1N1 (Safran Electronics & Defense, Avionics Usa, Llc).
Key specifications for 90EA1C4F3J1AL1N1: Component Type and Quantity: 1 SWITCH AND 2 LIGHT; Lamp Bulb Size Designator: T-1 3/4; Lens Color: AMBER; Features Provided: LUMINOUS ACTUATOR. 8 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.