The Connector-Switch, cataloged under National Stock Number 5999-01-664-9983, 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 Phoenix Contact Development and Manufacturing Inc Dba Protiq Usa. Government technical data includes 4 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. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5999-01-664-9983 |
| Primary Part Number | EM-DUO-120/20-SWO |
| Item Name | Connector-Switch |
| FSC / FSG | 5999 / 59 — Miscellaneous Electrical and Electronic Components |
| Manufacturer | Phoenix Contact Development and Manufacturing Inc Dba Protiq Usa |
| Status | ACTIVE |
| Voltage in Volts and Current Type | 120.0 AC |
| Accessory Components and Quantity | 1 CONNECTOR RECEPTACLE, 1 TOGGLE SWITCH, 1 INDICATOR LIGHT, AND 1 ELECRICAL BOX ENCLOSURE. |
| Color | IVORY |
| Current Rating | 20.0 AMPERES |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Shelf Life Code | 0 |
| Criticality Code | X |
| Unit of Issue | EA |
| Acquisition advice code | J |
| Part Number | Manufacturer |
|---|---|
| EM-DUO-120/20-SWO PRIMARY | Phoenix Contact Development and Manufacturing Inc Dba Protiq Usa (USA) |
NSN 5999-01-664-9983 is a Connector-Switch, manufactured by Phoenix Contact Development and Manufacturing Inc Dba Protiq Usa, classified under FSC 5999, Miscellaneous Electrical and Electronic Components. Status: active.
NSN 5999-01-664-9983 has 1 manufacturer part number on file: EM-DUO-120/20-SWO (Phoenix Contact Development and Manufacturing Inc Dba Protiq Usa).
Key specifications for EM-DUO-120/20-SWO: Voltage in Volts and Current Type: 120.0 AC; Accessory Components and Quantity: 1 CONNECTOR RECEPTACLE, 1 TOGGLE SWITCH, 1 INDICATOR LIGHT, AND 1 ELECRICAL BOX ENCLOSURE.; Color: IVORY; Special Features: FITS ON A 35MM DIN RAIL. IS ROHS COMPLIANT. MM. 4 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.