The Switch,radio Frequency Transmiss, cataloged under National Stock Number 5985-00-320-4388, 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 L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products. 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-320-4388 |
| Primary Part Number | 398371-1 |
| Item Name | Switch,radio Frequency Transmiss |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products |
| Status | ACTIVE |
| Switching Time | 20.0 MILLISECONDS MS |
| Mounting Facility Type and Quantity | 2 UNTHREADED HOLE(S) |
| Body Style | IRREGULAR |
| Mounting Facility Pattern | TWO POSITION IN-LINE SINGLE MOUNTING FACILITY PATTERN |
| Actuator Voltage in Volts | 20.0 MINIMUM AND 30.0 MAXIMUM |
| Voltage Standing Wave Ratio | 1.50 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 | 0.12 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 | 60.0 SINGLE |
| Switch Type | NONTRANSFER |
| Insertion Loss in Decibels | 0.30 SINGLE |
| Actuator Operating Method | RELAY |
| Operating Temp Range | -55.0 TO 95.0 CELSIUS DEGC |
| Frequency Rating | 0.0 GIGAHERTZ MINIMUM AND 12.4 GIGAHERTZ MAXIMUM SINGLE FREQUENCY INSERTION LOSS REFERENCE |
| Frequency Rating | 0.0 GIGAHERTZ MINIMUM AND 12.4 GIGAHERTZ MAXIMUM SINGLE FREQUENCY VOLTAGE STANDING WAVE RATIO |
| Frequency Rating | 0.0 GIGAHERTZ MINIMUM AND 12.4 GIGAHERTZ MAXIMUM SINGLE FREQUENCY RF POWER HANDLING |
| Frequency Rating | 0.0 GIGAHERTZ MINIMUM AND 12.4 GIGAHERTZ MAXIMUM SINGLE FREQUENCY OPERATING |
| Frequency Rating | 0.0 GIGAHERTZ MINIMUM AND 12.4 GIGAHERTZ MAXIMUM SINGLE FREQUENCY CROSSTALK REFERENCE |
| Rf Power Handling Capability | 15.0 WATTS AVERAGE SINGLE |
| Material | METAL BODY |
| Terminal Type and Quantity | 2 TAB, SOLDER LUG AND 3 RECEPTACLE, COAXIAL |
| Switch Operation Sequence | BREAKS BEFORE MAKES |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| ZR30-4024-00 | A.m.r.a. Spa (ITA) |
| 398371-1 PRIMARY | L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products (USA) |
| 919C90900 | Dow-Key Microwave Llc (USA) |
| Reference | Meaning |
|---|---|
| 919C90900 | 5/9 Secondary reference U.S. Government activity |
| MA7530-5024 | 5/9 Secondary reference U.S. Government activity |
| MA7530-S024 | 5/9 Secondary reference U.S. Government activity |
| 7530-4024-00 | 5/9 Secondary reference U.S. Government activity |
| ZR30-4024-00 | 5/9 Secondary reference Mti Srl |
| 919C90900 | 5/9 Secondary reference K&l Microwave Llc |
NSN 5985-00-320-4388 is a Switch,radio Frequency Transmiss, manufactured by L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-320-4388 has 3 manufacturer part numbers on file: ZR30-4024-00 (A.m.r.a. Spa), 398371-1 (L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products), 919C90900 (Dow-Key Microwave Llc).
Key specifications for 398371-1: Switching Time: 20.0 MILLISECONDS MS; Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S); Overall Height: 0.710 INCHES NOMINAL IN; Body Style: IRREGULAR. 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 5985-00-320-4388 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.