The Switch,radio Frequency Transmiss, cataloged under National Stock Number 5985-01-346-9804, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-346-9804 |
| Primary Part Number | 400-6690345 ITEM 1-19 |
| Item Name | Switch,radio Frequency Transmiss |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Switching Time | 10.0 MILLISECONDS MS |
| Body Style | RECTANGULAR |
| Actuator Voltage in Volts | 28.0 NOMINAL |
| Precious Material | GOLD |
| Pole Quantity | 2 |
| Connector End Design | FEMALE |
| Actuator Current Type and Rating in Amps | 0.185 DC MAXIMUM |
| Coupling Position Quantity | 4 |
| Switch Type | NONTRANSFER |
| Precious Material and Location | CONTACTS GOLD |
| Operating Temp Range | -54.0 TO 85.0 CELSIUS DEGC |
| Frequency Rating | 0.0 GIGAHERTZ MINIMUM AND 2.0 GIGAHERTZ MAXIMUM SINGLE FREQUENCY VOLTAGE STANDING WAVE RATIO |
| Frequency Rating | 0.0 GIGAHERTZ MINIMUM AND 2.0 GIGAHERTZ MAXIMUM SINGLE FREQUENCY INSERTION LOSS REFERENCE |
| Terminal Type and Quantity | 2 SOLDER STUD AND 4 CONNECTOR, RECEPTACLE |
| Switch Operation Sequence | BREAKS BEFORE MAKES |
| Coaxial Connector Series Designation | N |
| Throw Quantity | 2 |
| 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 |
|---|---|
| 400-6690345 ITEM 1-19 PRIMARY | Naval Sea Systems Command (USA) |
| SBN490E | Spectrum Microwave, Inc. (USA) |
NSN 5985-01-346-9804 is a Switch,radio Frequency Transmiss, manufactured by Naval Sea Systems Command, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-346-9804 has 2 manufacturer part numbers on file: 400-6690345 ITEM 1-19 (Naval Sea Systems Command), SBN490E (Spectrum Microwave, Inc.).
Key specifications for 400-6690345 ITEM 1-19: Switching Time: 10.0 MILLISECONDS MS; Overall Height: 2.890 INCHES MINIMUM AND 2.950 INCHES MAXIMUM IN; Body Style: RECTANGULAR; Actuator Voltage in Volts: 28.0 NOMINAL. 17 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.