The Switch,radio Frequency Transmiss, cataloged under National Stock Number 5985-01-204-8420, 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 L-3 Communications Westwood Corporation Dba Nmp Division Div L3 Westwood Corporation. Government technical data includes 22 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-204-8420 |
| Primary Part Number | 703304-1 |
| Item Name | Switch,radio Frequency Transmiss |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | L-3 Communications Westwood Corporation Dba Nmp Division Div L3 Westwood Corporation |
| Status | ACTIVE |
| Switching Time | 25.0 MILLISECONDS MS |
| Body Style | IRREGULAR |
| Actuator Voltage in Volts | 26.0 NOMINAL |
| Pole Quantity | 1 |
| Connector End Design | FEMALE |
| Coupling Position Quantity | 3 |
| Switch Type | NONTRANSFER |
| Operating Temp Range | -55.0 TO 125.0 CELSIUS DEGC |
| Frequency Rating | 0.0 MEGAHERTZ MINIMUM AND 100.0 MEGAHERTZ MAXIMUM FIRST FREQUENCY INSERTION LOSS REFERENCE |
| Frequency Rating | 0.0 MEGAHERTZ MINIMUM AND 100.0 MEGAHERTZ MAXIMUM FIRST FREQUENCY VOLTAGE STANDING WAVE RATIO |
| Frequency Rating | 0.0 MEGAHERTZ MINIMUM AND 200.0 MEGAHERTZ MAXIMUM SECOND FREQUENCY RF POWER HANDLING |
| Frequency Rating | 100.0 MEGAHERTZ MINIMUM AND 200.0 MEGAHERTZ MAXIMUM SECOND FREQUENCY INSERTION LOSS REFERENCE |
| Frequency Rating | 100.0 MEGAHERTZ MINIMUM AND 200.0 MEGAHERTZ MAXIMUM SECOND FREQUENCY VOLTAGE STANDING WAVE RATIO |
| Frequency Rating | 200.0 MEGAHERTZ MINIMUM AND 500.0 MEGAHERTZ MAXIMUM FIRST FREQUENCY RF POWER HANDLING |
| Frequency Rating | 200.0 MEGAHERTZ MINIMUM AND 500.0 MEGAHERTZ MAXIMUM THIRD FREQUENCY INSERTION LOSS REFERENCE |
| Frequency Rating | 200.0 MEGAHERTZ MINIMUM AND 500.0 MEGAHERTZ MAXIMUM THIRD FREQUENCY VOLTAGE STANDING WAVE RATIO |
| Rf Power Handling Capability | 1.0 KILOWATTS AVERAGE SECOND |
| Rf Power Handling Capability | 750.0 WATTS AVERAGE FIRST |
| Terminal Type and Quantity | 4 RECEPTACLE, COAXIAL |
| Switch Operation Sequence | MAKES BEFORE BREAKS |
| Coaxial Connector Series Designation | UHF |
| Throw Quantity | 3 |
| 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 |
|---|---|
| 703304-1 PRIMARY | L-3 Communications Westwood Corporation Dba Nmp Division Div L3 Westwood Corporation (USA) |
| Reference | Meaning |
|---|---|
| 72-230402 | 5/1 Secondary reference Te Connectivity Corporation |
NSN 5985-01-204-8420 is a Switch,radio Frequency Transmiss, manufactured by L-3 Communications Westwood Corporation Dba Nmp Division Div L3 Westwood Corporation, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-204-8420 has 1 manufacturer part number on file: 703304-1 (L-3 Communications Westwood Corporation Dba Nmp Division Div L3 Westwood Corporation).
1 possible match (shared part number, not a government interchangeability claim): 5998-01-290-5914. Verify interchangeability with system specifications before substitution.
Key specifications for 703304-1: Switching Time: 25.0 MILLISECONDS MS; Overall Height: 2.630 INCHES NOMINAL IN; Body Style: IRREGULAR; Actuator Voltage in Volts: 26.0 NOMINAL. 22 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.