The Switch,radio Frequency Transmiss, cataloged under National Stock Number 5985-01-679-8743, 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 22 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-679-8743 |
| Primary Part Number | 310C00200-2 |
| Item Name | Switch,radio Frequency Transmiss |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Dow-Key Microwave Llc |
| Status | ACTIVE |
| Switching Time | 20.0 MICROSECONDS US |
| Mounting Facility Type and Quantity | 2 BRACKET(S) AND 3 UNTHREADED HOLE(S) |
| Body Style | RECTANGULAR |
| Mounting Facility Pattern | ISOSCELES TRIANGLE SINGLE MOUNTING FACILITY PATTERN |
| Actuator Voltage in Volts | 10.0 MINIMUM AND 30.0 MAXIMUM |
| Unthreaded Mounting Hole Diameter | 0.192 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN |
| Pole Quantity | 1 |
| Switch Return Mechanism Type | FAIL-SAFE |
| Connector End Design | MALE |
| Actuator Current Type and Rating in Amps | 0.4 DC NOMINAL |
| Distance Between Mounting Facility Centers | 0.75 INCHES NOMINAL SINGLE MOUNTING FACILITY PATTERN IN |
| Specification/standard Data | 81349-MIL-DTL-3928/10 GOVERNMENT SPECIFICATION |
| Switch Type | TRANSFER |
| Surface Treatment | CHROMATE FLANGE(S) ALL SURFACES |
| Operating Temp Range | -55.0 TO 85.0 CELSIUS DEGC |
| Frequency Rating | 100.0 MEGAHERTZ MINIMUM AND 1215.0 MEGAHERTZ MAXIMUM SINGLE FREQUENCY OPERATING |
| Rf Power Handling Capability | 300.0 WATTS PEAK SINGLE |
| Material | ALUMINUM ALLOY BODY |
| Terminal Type and Quantity | 4 CABLE, COAXIAL AND 1 CONNECTOR, RECEPTACLE |
| Switch Operation Sequence | BREAKS BEFORE MAKES |
| Coaxial Connector Series Designation | N |
| Throw Quantity | 2 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 310C00200-2 PRIMARY | Dow-Key Microwave Llc (USA) |
| GS839JF3 | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| GS839JF REV G | D/9 Drawing number reference only Northrop Grumman Systems Corporation |
NSN 5985-01-679-8743 is a Switch,radio Frequency Transmiss, manufactured by Dow-Key Microwave Llc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-679-8743 has 2 manufacturer part numbers on file: 310C00200-2 (Dow-Key Microwave Llc), GS839JF3 (Northrop Grumman Systems Corporation).
Key specifications for 310C00200-2: Switching Time: 20.0 MICROSECONDS US; Mounting Facility Type and Quantity: 2 BRACKET(S) AND 3 UNTHREADED HOLE(S); Overall Height: 1.8 INCHES MAXIMUM IN; Body Style: RECTANGULAR. 22 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.
NSN 5985-01-679-8743 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.