The Switch,radio Frequency Transmiss, cataloged under National Stock Number 5985-00-490-4429, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. Government technical data includes 26 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-490-4429 |
| Item Name | Switch,radio Frequency Transmiss |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 4 UNTHREADED HOLE(S) |
| Body Style | RECTANGULAR |
| Mounting Facility Pattern | FOUR POSITION RECTANGULAR SINGLE MOUNTING FACILITY PATTERN |
| Voltage Standing Wave Ratio | 2.20 SINGLE |
| Unthreaded Mounting Hole Diameter | 0.140 INCHES NOMINAL IN |
| Longest Vertical Distance Between Mounting Centers | 0.895 INCHES MINIMUM AND 0.905 INCHES MAXIMUM SINGLE MOUNTING FACILITY PATTERN IN |
| Switch Return Mechanism Type | FAIL-SAFE |
| Connector End Design | FEMALE AND MALE |
| Unpackaged Unit Weight | 8.000 OUNCES OZ |
| Coupling Position Quantity | 4 |
| Minimum Crosstalk Rating in Decibels | 30.0 SINGLE |
| Switch Type | TRANSFER |
| Insertion Loss in Decibels | 4.00 SINGLE |
| Actuator Operating Method | SOLID STATE |
| Operating Temp Range | +0.0 TO 70.0 CELSIUS DEGC |
| Frequency Rating | 4.0 GIGAHERTZ MINIMUM AND 8.0 GIGAHERTZ MAXIMUM SINGLE FREQUENCY CROSSTALK REFERENCE |
| Frequency Rating | 4.0 GIGAHERTZ MINIMUM AND 8.0 GIGAHERTZ MAXIMUM SINGLE FREQUENCY INSERTION LOSS REFERENCE |
| Frequency Rating | 4.0 GIGAHERTZ MINIMUM AND 8.0 GIGAHERTZ MAXIMUM SINGLE FREQUENCY RF POWER HANDLING |
| Frequency Rating | 4.0 GIGAHERTZ MINIMUM AND 8.0 GIGAHERTZ MAXIMUM SINGLE FREQUENCY VOLTAGE STANDING WAVE RATIO |
| Frequency Rating | 4.0 GIGAHERTZ MINIMUM AND 8.0 MEGAHERTZ MAXIMUM SINGLE FREQUENCY OPERATING |
| Rf Power Handling Capability | 6.0 WATTS AVERAGE SINGLE |
| Material | ALUMINUM BODY |
| Material | STEEL CORROSION RESISTING CONNECTOR(S) |
| Terminal Type and Quantity | 2 TAB, SOLDER LUG AND 1 PLUG, COAXIAL AND 3 RECEPTACLE, COAXIAL |
| Switch Operation Sequence | BREAKS BEFORE MAKES |
| Longest Horizontal Distance Between Mounting Centers | 3.955 INCHES MINIMUM AND 3.965 INCHES MAXIMUM SINGLE MOUNTING FACILITY PATTERN IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 1800048P2 | 3/2 Design control — primary reference U.S. Government activity |
| MPE9064-2 | 5/2 Secondary reference U.S. Government activity |
NSN 5985-00-490-4429 is a Switch,radio Frequency Transmiss, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
Key specifications for 5985-00-490-4429: Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S); Overall Height: 0.560 INCHES MINIMUM AND 0.600 INCHES MAXIMUM IN; Body Style: RECTANGULAR; Mounting Facility Pattern: FOUR POSITION RECTANGULAR SINGLE MOUNTING FACILITY PATTERN. 26 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.