The Switch,radio Frequency Transmiss, cataloged under National Stock Number 5985-00-984-8760, 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 Dow-Key Microwave Llc. Government technical data includes 13 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-984-8760 |
| Primary Part Number | 310C00400 |
| Item Name | Switch,radio Frequency Transmiss |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Dow-Key Microwave Llc |
| Status | ACTIVE |
| Switching Time | 30.0 MILLISECONDS MS |
| Body Style | RECTANGULAR |
| Actuator Voltage in Volts | 105.0 MINIMUM AND 125.0 MAXIMUM |
| Switch Return Mechanism Type | FAIL-SAFE |
| Connector End Design | FEMALE |
| Actuator Current Type and Rating in Amps | 0.3 AC MAXIMUM |
| Coupling Position Quantity | 4 |
| Switch Type | TRANSFER |
| Operating Temp Range | -67.0 TO 185.0 FAHRENHEIT DEGF |
| Rf Power Handling Capability | 3.0 KILOWATTS PEAK SECOND |
| Rf Power Handling Capability | 60.0 WATTS AVERAGE FIRST |
| Switch Operation Sequence | BREAKS BEFORE MAKES |
| Coaxial Connector Series Designation | N |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
NSN 5985-00-984-8760 is a Switch,radio Frequency Transmiss, manufactured by Dow-Key Microwave Llc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-984-8760 has 2 manufacturer part numbers on file: 310C00400 (Dow-Key Microwave Llc), C380-113 (Microwave Engineering Corporation).
Key specifications for 310C00400: Switching Time: 30.0 MILLISECONDS MS; Overall Height: 2.000 INCHES NOMINAL IN; Body Style: RECTANGULAR; Actuator Voltage in Volts: 105.0 MINIMUM AND 125.0 MAXIMUM. 13 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.