The Switch,radio Frequency Transmiss, cataloged under National Stock Number 5985-01-370-9843, 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 24 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-370-9843 |
| Primary Part Number | 805C00500 |
| 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 MILLISECONDS MS |
| Mounting Facility Type and Quantity | 2 UNTHREADED HOLE(S) |
| Body Style | RECTANGULAR |
| Mounting Facility Pattern | TWO POSITION IN-LINE SINGLE MOUNTING FACILITY PATTERN |
| Actuator Voltage in Volts | 28.0 NOMINAL |
| Voltage Standing Wave Ratio | 1.20 SINGLE |
| Unthreaded Mounting Hole Diameter | 0.203 INCHES NOMINAL IN |
| Switch Return Mechanism Type | LATCHING |
| Connector End Design | FEMALE |
| Actuator Current Type and Rating in Amps | 0.3 DC NOMINAL |
| Distance Between Mounting Facility Centers | 0.885 INCHES NOMINAL SINGLE MOUNTING FACILITY PATTERN IN |
| Coupling Position Quantity | 2 |
| Minimum Crosstalk Rating in Decibels | 65.0 SINGLE |
| Switch Type | TRANSFER |
| Insertion Loss in Decibels | 0.20 SINGLE |
| Actuator Operating Method | RELAY |
| Surface Treatment | ANODIZE BODY OUTSIDE SURFACES |
| Operating Temp Range | -55.0 TO 85.0 CELSIUS DEGC |
| Frequency Rating | 0.0 GIGAHERTZ MINIMUM AND 12.4 GIGAHERTZ MAXIMUM SINGLE FREQUENCY OPERATING |
| Rf Power Handling Capability | 150.0 WATTS AVERAGE SINGLE |
| Material | ALUMINUM BODY |
| Terminal Type and Quantity | 3 RECEPTACLE, COAXIAL AND 1 CONNECTOR, RECEPTACLE |
| Switch Operation Sequence | BREAKS BEFORE MAKES |
| Coaxial Connector Series Designation | N |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 805C00500 PRIMARY | Dow-Key Microwave Llc (USA) |
| Reference | Meaning |
|---|---|
| 124E1212-1 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
| 805C00500 | 5/9 Secondary reference K&l Microwave Llc |
| 805C00500 | 5/9 Secondary reference U.S. Government activity |
NSN 5985-01-370-9843 is a Switch,radio Frequency Transmiss, manufactured by Dow-Key Microwave Llc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-370-9843 has 1 manufacturer part number on file: 805C00500 (Dow-Key Microwave Llc).
Key specifications for 805C00500: Switching Time: 20.0 MILLISECONDS MS; Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S); Overall Height: 2.650 INCHES MAXIMUM IN; Body Style: RECTANGULAR. 24 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 5985-01-370-9843 has DEMIL Code B. 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.