The Switch,radio Frequency Transmiss, cataloged under National Stock Number 5985-00-679-9529, 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 26 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-679-9529 |
| Primary Part Number | DK49-101 |
| Item Name | Switch,radio Frequency Transmiss |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Dow-Key Microwave Llc |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 3 THREADED HOLE(S) |
| Body Style | RECTANGULAR |
| Mounting Facility Pattern | ISOSCELES TRIANGLE SINGLE MOUNTING FACILITY PATTERN |
| Actuator Voltage in Volts | 28.0 NOMINAL |
| Precious Material | SILVER |
| Voltage Standing Wave Ratio | 1.10 SINGLE |
| Longest Vertical Distance Between Mounting Centers | 0.500 INCHES NOMINAL SINGLE MOUNTING FACILITY PATTERN IN |
| Connector End Design | FEMALE |
| Shortest Horizontal Distance Between Mounting Centers | 0.625 INCHES NOMINAL SINGLE MOUNTING FACILITY PATTERN IN |
| Coupling Position Quantity | 3 |
| Nominal Thread Size | 0.138 INCHES MOUNTING FACILITY HOLE IN |
| Switch Type | TRANSFER |
| Actuator Operating Method | RELAY |
| Surface Treatment | ENAMEL BODY OUTSIDE SURFACES |
| Precious Material and Location | CONTACTS SILVER |
| Operating Temp Range | -65.0 TO 75.0 CELSIUS DEGC |
| Frequency Rating | 3.0 MEGAHERTZ MINIMUM AND 30.0 MEGAHERTZ MAXIMUM SINGLE FREQUENCY OPERATING |
| Frequency Rating | 3.0 MEGAHERTZ MINIMUM AND 30.0 MEGAHERTZ MAXIMUM SINGLE FREQUENCY RF POWER HANDLING |
| Frequency Rating | 3.0 MEGAHERTZ MINIMUM AND 30.0 MEGAHERTZ MAXIMUM SINGLE FREQUENCY VOLTAGE STANDING WAVE RATIO |
| Rf Power Handling Capability | 600.0 WATTS AVERAGE SINGLE |
| Material | ALUMINUM BODY |
| Terminal Type and Quantity | 3 RECEPTACLE, COAXIAL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) MOUNTING FACILITY HOLE |
| Switch Operation Sequence | MAKES BEFORE BREAKS |
| Coaxial Connector Series Designation | BNC AND N |
| Longest Horizontal Distance Between Mounting Centers | 1.250 INCHES NOMINAL 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 |
| Part Number | Manufacturer |
|---|---|
| DK49-101 | Dow-Key Microwave Llc (USA) |
| Reference | Meaning |
|---|---|
| DK49-101 | 5/9 Secondary reference K&l Microwave Llc |
| 410-0160-00 | 3/9 Design control — primary reference Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
| 83-3277 | 5/9 Secondary reference Midland-Ross Corp Midtex Div |
| 410-0160-000 | 5/9 Secondary reference Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
| 410-0160-00 | 5/2 Secondary reference U.S. Government activity |
NSN 5985-00-679-9529 is a Switch,radio Frequency Transmiss, manufactured by Dow-Key Microwave Llc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-679-9529 has 1 manufacturer part number on file: DK49-101 (Dow-Key Microwave Llc).
Key specifications for DK49-101: Mounting Facility Type and Quantity: 3 THREADED HOLE(S); Overall Height: 1.563 INCHES NOMINAL IN; Body Style: RECTANGULAR; Mounting Facility Pattern: ISOSCELES TRIANGLE 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.