The Switch,radio Frequency Transmiss, cataloged under National Stock Number 5985-01-370-4109, 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 Lockheed Martin Corporation Div Rms. Government technical data includes 27 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-370-4109 |
| Primary Part Number | 1209080-201 |
| Item Name | Switch,radio Frequency Transmiss |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Lockheed Martin Corporation Div Rms |
| Status | ACTIVE |
| Switching Time | 15.0 MILLISECONDS MS |
| Mounting Facility Type and Quantity | 2 UNTHREADED HOLE(S) |
| Body Style | RECTANGULAR |
| Mounting Facility Pattern | TWO POSITION IN-LINE SINGLE MOUNTING FACILITY PATTERN |
| Actuator Voltage in Volts | 32.5 NOMINAL |
| Precious Material | GOLD |
| Voltage Standing Wave Ratio | 1.20 SINGLE |
| Unthreaded Mounting Hole Diameter | 0.120 INCHES NOMINAL IN |
| Pole Quantity | 1 |
| Switch Return Mechanism Type | FAIL-SAFE |
| Connector End Design | FEMALE |
| Actuator Current Type and Rating in Amps | 0.11 DC MAXIMUM |
| Distance Between Mounting Facility Centers | 0.440 INCHES NOMINAL SINGLE MOUNTING FACILITY PATTERN IN |
| Coupling Position Quantity | 3 |
| Minimum Crosstalk Rating in Decibels | 80.0 SINGLE |
| Switch Type | NONTRANSFER |
| Insertion Loss in Decibels | 0.10 SINGLE |
| Actuator Operating Method | RELAY |
| Surface Treatment | GOLD CONTACT(S) ALL SURFACES |
| Surface Treatment | PASSIVATE CONNECTOR(S) ALL SURFACES |
| Surface Treatment | NICKEL BODY ALL SURFACES |
| Surface Treatment | ANODIZE COVER ALL SURFACES |
| Precious Material and Location | CONTACT SURFACES GOLD |
| Frequency Rating | 1.2 GIGAHERTZ MINIMUM AND 1.5 GIGAHERTZ MAXIMUM SINGLE FREQUENCY OPERATING |
| Rf Power Handling Capability | 50.0 WATTS AVERAGE FIRST |
| Rf Power Handling Capability | 500.0 WATTS PEAK SECOND |
| Material | ALUMINUM BODY |
| 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 |
|---|---|
| 1209080-201 PRIMARY | Lockheed Martin Corporation Div Rms (USA) |
| D3-413D002 | Ducommun Labarge Technologies, Inc Dba Ducommun Labarge Technologies, Inc (USA) |
| 1209080-201 | Microwave Communications Laboratories, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 1209080-201 | 5/9 Secondary reference Lockheed Martin Corporation Div Rms - Mitchel Field |
NSN 5985-01-370-4109 is a Switch,radio Frequency Transmiss, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-370-4109 has 3 manufacturer part numbers on file: 1209080-201 (Lockheed Martin Corporation Div Rms), D3-413D002 (Ducommun Labarge Technologies, Inc Dba Ducommun Labarge Technologies, Inc), 1209080-201 (Microwave Communications Laboratories, Inc.).
Key specifications for 1209080-201: Switching Time: 15.0 MILLISECONDS MS; Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S); Overall Height: 1.250 INCHES NOMINAL IN; Body Style: RECTANGULAR. 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.
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.