The Switch,radio Frequency Transmiss, cataloged under National Stock Number 5985-01-371-6743, 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 Stellant Systems Inc. Government technical data includes 25 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-371-6743 |
| Primary Part Number | 020-A234-A2D-7C0 |
| Item Name | Switch,radio Frequency Transmiss |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Stellant Systems Inc |
| Status | ACTIVE |
| Switching Time | 20.0 MILLISECONDS MS |
| Mounting Facility Type and Quantity | 4 UNTHREADED HOLE(S) |
| Body Style | RECTANGULAR |
| Mounting Facility Pattern | FOUR POSITION RECTANGULAR SINGLE MOUNTING FACILITY PATTERN |
| Actuator Voltage in Volts | 28.0 NOMINAL |
| Voltage Standing Wave Ratio | 1.20 SINGLE |
| Unthreaded Mounting Hole Diameter | 0.120 INCHES NOMINAL AND 0.093 INCHES NOMINAL IN |
| Pole Quantity | 1 |
| Switch Return Mechanism Type | FAIL-SAFE |
| Connector End Design | FEMALE |
| Actuator Current Type and Rating in Amps | 0.147 DC NOMINAL |
| Distance Between Mounting Facility Centers | 0.090 INCHES NOMINAL SINGLE MOUNTING FACILITY PATTERN IN |
| Coupling Position Quantity | 2 |
| Minimum Crosstalk Rating in Decibels | 80.0 SINGLE |
| Switch Type | NONTRANSFER |
| Insertion Loss in Decibels | 0.20 SINGLE |
| Actuator Operating Method | RELAY |
| Operating Temp Range | -55.0 TO 85.0 CELSIUS DEGC |
| Frequency Rating | 20.0 MEGAHERTZ NOMINAL AND 300.0 MEGAHERTZ NOMINAL SINGLE FREQUENCY OPERATING |
| Material | ALUMINUM ALLOY BODY |
| Terminal Type and Quantity | 3 RECEPTACLE, COAXIAL |
| Switch Operation Sequence | MAKES BEFORE BREAKS |
| Coaxial Connector Series Designation | SMA |
| Longest Horizontal Distance Between Mounting Centers | 0.440 INCHES NOMINAL SINGLE MOUNTING FACILITY PATTERN IN |
| Throw Quantity | 2 |
| 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 |
|---|---|
| 020-A234-A2D-7C0 PRIMARY | Stellant Systems Inc (USA) |
| MS-13223-001 PRIMARY | Dow-Key Microwave Llc (USA) |
| MS-28-F-SMA-1-TTL-DE9P PRIMARY | Dow-Key Microwave Llc (USA) |
| Reference | Meaning |
|---|---|
| MS-13223-001 | 5/9 Secondary reference K&l Microwave Llc |
| GA-00054-001 | 7/2 Vendor item drawing reference Raytheon E-Systems, Inc |
NSN 5985-01-371-6743 is a Switch,radio Frequency Transmiss, manufactured by Stellant Systems Inc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-371-6743 has 3 manufacturer part numbers on file: 020-A234-A2D-7C0 (Stellant Systems Inc), MS-13223-001 (Dow-Key Microwave Llc), MS-28-F-SMA-1-TTL-DE9P (Dow-Key Microwave Llc).
Key specifications for 020-A234-A2D-7C0: Switching Time: 20.0 MILLISECONDS MS; Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S); Overall Height: 1.198 INCHES NOMINAL IN; Body Style: RECTANGULAR. 25 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.