The Switch,radio Frequency Transmiss, cataloged under National Stock Number 5985-00-246-0857, 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 27 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5985-00-246-0857 |
| Primary Part Number | 310C01800 |
| 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 |
| Mounting Facility Type and Quantity | 3 UNTHREADED HOLE(S) |
| Body Style | RECTANGULAR |
| Mounting Facility Pattern | ISOSCELES TRIANGLE SINGLE MOUNTING FACILITY PATTERN |
| Actuator Voltage in Volts | 28.0 NOMINAL |
| Voltage Standing Wave Ratio | 1.10 SINGLE |
| Unthreaded Mounting Hole Diameter | 0.193 INCHES NOMINAL IN |
| Longest Vertical Distance Between Mounting Centers | 2.600 INCHES NOMINAL SINGLE MOUNTING FACILITY PATTERN IN |
| Switch Return Mechanism Type | FAIL-SAFE |
| Connector End Design | FEMALE |
| Shortest Horizontal Distance Between Mounting Centers | 0.750 INCHES NOMINAL SINGLE MOUNTING FACILITY PATTERN IN |
| Actuator Current Type and Rating in Amps | 1.0 DC MAXIMUM |
| Coupling Position Quantity | 5 |
| Minimum Crosstalk Rating in Decibels | 60.0 SINGLE |
| Switch Type | TRANSFER |
| Insertion Loss in Decibels | 0.10 SINGLE |
| Actuator Operating Method | RELAY |
| Surface Treatment | ENAMEL BODY OUTSIDE SURFACES |
| Operating Temp Range | -40.0 TO 85.0 CELSIUS DEGC |
| Frequency Rating | 0.1 GIGAHERTZ MINIMUM AND 12.4 GIGAHERTZ MAXIMUM SINGLE FREQUENCY CROSSTALK REFERENCE |
| Frequency Rating | 0.1 GIGAHERTZ MINIMUM AND 12.4 GIGAHERTZ MAXIMUM SINGLE FREQUENCY INSERTION LOSS REFERENCE |
| Frequency Rating | 0.1 GIGAHERTZ MINIMUM AND 12.4 GIGAHERTZ MAXIMUM SINGLE FREQUENCY OPERATING |
| Frequency Rating | 0.1 GIGAHERTZ MINIMUM AND 12.4 GIGAHERTZ MAXIMUM SINGLE FREQUENCY RF POWER HANDLING |
| Frequency Rating | 0.1 GIGAHERTZ MINIMUM AND 12.4 GIGAHERTZ MAXIMUM SINGLE FREQUENCY VOLTAGE STANDING WAVE RATIO |
| Rf Power Handling Capability | 1.0 WATTS AVERAGE SINGLE |
| Material | METAL BODY |
| Terminal Type and Quantity | 1 CONNECTOR, RECEPTACLE AND 4 RECEPTACLE, COAXIAL |
| 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 |
|---|---|
| 310C01800 PRIMARY | Dow-Key Microwave Llc (USA) |
| T3-123B201P | Ducommun Labarge Technologies, Inc Dba Ducommun Labarge Technologies, Inc (USA) |
| Reference | Meaning |
|---|---|
| 310C01800 | 5/9 Secondary reference K&l Microwave Llc |
| 310C01800 | 5/9 Secondary reference U.S. Government activity |
NSN 5985-00-246-0857 is a Switch,radio Frequency Transmiss, manufactured by Dow-Key Microwave Llc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-246-0857 has 2 manufacturer part numbers on file: 310C01800 (Dow-Key Microwave Llc), T3-123B201P (Ducommun Labarge Technologies, Inc Dba Ducommun Labarge Technologies, Inc).
Key specifications for 310C01800: Switching Time: 30.0 MILLISECONDS MS; Mounting Facility Type and Quantity: 3 UNTHREADED HOLE(S); Overall Height: 1.780 INCHES NOMINAL IN; Body Style: RECTANGULAR. 27 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 5985-00-246-0857 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.