The Switch,radio Frequency Transmiss, cataloged under National Stock Number 5985-00-056-6771, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. Government technical data includes 27 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-056-6771 |
| Item Name | Switch,radio Frequency Transmiss |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 3 THREADED HOLE(S) |
| Body Style | IRREGULAR |
| Mounting Facility Pattern | THREE POSITION CIRCULAR SINGLE MOUNTING FACILITY PATTERN |
| Actuator Voltage in Volts | 28.0 NOMINAL |
| Precious Material | SILVER |
| Voltage Standing Wave Ratio | 1.15 SINGLE |
| Pole Quantity | 1 |
| Connector End Design | FEMALE |
| Coupling Position Quantity | 3 |
| Nominal Thread Size | 0.112 INCHES MOUNTING FACILITY HOLE IN |
| Minimum Crosstalk Rating in Decibels | 50.0 SINGLE |
| Switch Type | NONTRANSFER |
| Insertion Loss in Decibels | 0.15 SINGLE |
| Actuator Operating Method | RELAY |
| Surface Treatment | SILVER BODY OUTSIDE SURFACES |
| Precious Material and Location | SURFACE SILVER |
| Operating Temp Range | +0.0 TO 70.0 CELSIUS DEGC |
| Frequency Rating | 400.0 MEGAHERTZ MINIMUM AND 450.0 MEGAHERTZ MAXIMUM SINGLE FREQUENCY OPERATING |
| Rf Power Handling Capability | 20.0 WATTS PEAK SINGLE |
| Thread Class | 2B MOUNTING FACILITY HOLE |
| Material | COPPER BODY |
| Terminal Type and Quantity | 2 WIRE HOOK AND 4 RECEPTACLE, COAXIAL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) MOUNTING FACILITY HOLE |
| Switch Operation Sequence | BREAKS BEFORE MAKES |
| Coaxial Connector Series Designation | N |
| Throw Quantity | 3 |
| Rf Maximum Voltage Rating | 28.0 VOLTS RMS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 2329B0067 | 5/9 Secondary reference U.S. Government activity |
| 20CSA3-1-01 | 5/2 Secondary reference U.S. Government activity |
| 2329B0067 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5985-00-056-6771 is a Switch,radio Frequency Transmiss, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
Key specifications for 5985-00-056-6771: Mounting Facility Type and Quantity: 3 THREADED HOLE(S); Overall Height: 2.500 INCHES NOMINAL IN; Body Style: IRREGULAR; Mounting Facility Pattern: THREE POSITION CIRCULAR SINGLE MOUNTING FACILITY PATTERN. 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 5985-00-056-6771 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.