The Switch,radio Frequency Transmiss, cataloged under National Stock Number 5985-01-690-4444, 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 Scientific Components Corp Dba Mini-Circuits. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-690-4444 |
| Primary Part Number | RC-8SPDT-A18 |
| Item Name | Switch,radio Frequency Transmiss |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Scientific Components Corp Dba Mini-Circuits |
| Status | ACTIVE |
| Switching Time | 25.0 MILLISECONDS MS |
| Mounting Facility Type and Quantity | 24 CONNECTOR |
| Body Style | RECTANGULAR |
| Actuator Voltage in Volts | 24.0 NOMINAL |
| Voltage Standing Wave Ratio | 1.05 FIRST |
| Voltage Standing Wave Ratio | 1.20 THIRD |
| Voltage Standing Wave Ratio | 1.25 FOURTH |
| Pole Quantity | 1 |
| Switch Return Mechanism Type | FAIL-SAFE |
| Connector End Design | FEMALE |
| Minimum Crosstalk Rating in Decibels | 85.0 SINGLE |
| Switch Type | TRANSFER |
| Insertion Loss in Decibels | 0.10 FIRST |
| Insertion Loss in Decibels | 0.15 SECOND |
| Insertion Loss in Decibels | 0.25 THIRD |
| Insertion Loss in Decibels | 0.30 FOURTH |
| Actuator Operating Method | MANUAL |
| Frequency Rating | 0.0 GIGAHERTZ MINIMUM AND 18.0 GIGAHERTZ MAXIMUM SINGLE FREQUENCY OPERATING |
| Rf Power Handling Capability | 20.0 WATTS AVERAGE SINGLE |
| Material | METAL BODY |
| Terminal Type and Quantity | 24 RECEPTACLE, COAXIAL |
| Switch Operation Sequence | BREAKS BEFORE MAKES |
| Coaxial Connector Series Designation | SMA |
| 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 |
|---|---|
| RC-8SPDT-A18 PRIMARY | Scientific Components Corp Dba Mini-Circuits (USA) |
NSN 5985-01-690-4444 is a Switch,radio Frequency Transmiss, manufactured by Scientific Components Corp Dba Mini-Circuits, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-690-4444 has 1 manufacturer part number on file: RC-8SPDT-A18 (Scientific Components Corp Dba Mini-Circuits).
Key specifications for RC-8SPDT-A18: Switching Time: 25.0 MILLISECONDS MS; Mounting Facility Type and Quantity: 24 CONNECTOR; Overall Height: 2.25 INCHES NOMINAL 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.
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.