The Switch,radio Frequency Transmiss, cataloged under National Stock Number 5985-00-043-4512, 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 Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems. Government technical data includes 26 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-043-4512 |
| Primary Part Number | 410-0266-000 |
| Item Name | Switch,radio Frequency Transmiss |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
| Status | ACTIVE |
| Switching Time | 15.0 MILLISECONDS MS |
| Mounting Facility Type and Quantity | 4 THREADED HOLE(S) |
| Body Style | RECTANGULAR |
| Mounting Facility Pattern | TWO POSITION IN-LINE SECOND MOUNTING FACILITY PATTERN |
| Mounting Facility Pattern | TWO POSITION IN-LINE FIRST MOUNTING FACILITY PATTERN |
| Actuator Voltage in Volts | 27.5 NOMINAL |
| Voltage Standing Wave Ratio | 1.15 SINGLE |
| Pole Quantity | 1 |
| Connector End Design | FEMALE |
| Actuator Current Type and Rating in Amps | 1.0 DC NOMINAL |
| Distance Between Mounting Facility Centers | 0.750 INCHES NOMINAL FIRST MOUNTING FACILITY PATTERN IN |
| Distance Between Mounting Facility Centers | 0.750 INCHES NOMINAL SECOND MOUNTING FACILITY PATTERN IN |
| Coupling Position Quantity | 2 |
| Nominal Thread Size | 0.086 INCHES MOUNTING FACILITY HOLE IN |
| Minimum Crosstalk Rating in Decibels | 30.0 SINGLE |
| Switch Type | NONTRANSFER |
| Insertion Loss in Decibels | 0.50 SINGLE |
| Actuator Operating Method | RELAY |
| Surface Treatment | CHROMIUM BODY OUTSIDE SURFACES |
| Operating Temp Range | -55.0 TO 100.0 CELSIUS DEGC |
| Frequency Rating | 225.0 MEGAHERTZ MINIMUM AND 400.0 MEGAHERTZ MAXIMUM SINGLE FREQUENCY CROSSTALK REFERENCE |
| Frequency Rating | 225.0 MEGAHERTZ MINIMUM AND 400.0 MEGAHERTZ MAXIMUM SINGLE FREQUENCY INSERTION LOSS REFERENCE |
| Frequency Rating | 225.0 MEGAHERTZ MINIMUM AND 400.0 MEGAHERTZ MAXIMUM SINGLE FREQUENCY OPERATING |
| Frequency Rating | 225.0 MEGAHERTZ MINIMUM AND 400.0 MEGAHERTZ MAXIMUM SINGLE FREQUENCY RF POWER HANDLING |
| Frequency Rating | 225.0 MEGAHERTZ MINIMUM AND 400.0 MEGAHERTZ MAXIMUM SINGLE FREQUENCY VOLTAGE STANDING WAVE RATIO |
| Rf Power Handling Capability | 50.0 WATTS AVERAGE SINGLE |
| 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 |
|---|---|
| DK-122 | Dow-Key Microwave Llc (USA) |
| 410-0266-000 PRIMARY | Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems (USA) |
| Reference | Meaning |
|---|---|
| 410-0266-00 | 5/2 Secondary reference U.S. Government activity |
| JDS300-11866 | 5/9 Secondary reference Arrowsmith Shelburne Inc |
| 410-0266-000 | 5/2 Secondary reference U.S. Government activity |
NSN 5985-00-043-4512 is a Switch,radio Frequency Transmiss, manufactured by Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-043-4512 has 2 manufacturer part numbers on file: DK-122 (Dow-Key Microwave Llc), 410-0266-000 (Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems).
Key specifications for 410-0266-000: Switching Time: 15.0 MILLISECONDS MS; Mounting Facility Type and Quantity: 4 THREADED HOLE(S); Overall Height: 1.781 INCHES NOMINAL IN; Body Style: RECTANGULAR. 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.
NSN 5985-00-043-4512 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.