The Switch,radio Frequency Transmiss, cataloged under National Stock Number 5985-00-009-8075, 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 Dow-Key Microwave Llc. Government technical data includes 27 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5985-00-009-8075 |
| Primary Part Number | 63-2301 |
| Item Name | Switch,radio Frequency Transmiss |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Dow-Key Microwave Llc |
| Status | ACTIVE |
| Switching Time | 25.0 MILLISECONDS MS |
| Mounting Facility Type and Quantity | 4 THREADED HOLE(S) |
| Body Style | RECTANGULAR |
| Mounting Facility Pattern | FOUR POSITION RECTANGULAR SINGLE MOUNTING FACILITY PATTERN |
| Actuator Voltage in Volts | 26.0 NOMINAL |
| Voltage Standing Wave Ratio | 1.30 SINGLE |
| Pole Quantity | 1 |
| Longest Vertical Distance Between Mounting Centers | 0.281 INCHES NOMINAL SINGLE MOUNTING FACILITY PATTERN IN |
| Switch Return Mechanism Type | FAIL-SAFE |
| Connector End Design | FEMALE |
| Actuator Current Type and Rating in Amps | 0.1 DC MAXIMUM |
| Coupling Position Quantity | 3 |
| Nominal Thread Size | 0.112 INCHES MOUNTING FACILITY HOLE IN |
| Minimum Crosstalk Rating in Decibels | 25.0 SINGLE |
| Switch Type | NONTRANSFER |
| Insertion Loss in Decibels | 0.30 SINGLE |
| Actuator Operating Method | RELAY |
| Surface Treatment | ENAMEL BODY ALL SURFACES |
| Operating Temp Range | -55.0 TO 100.0 CELSIUS DEGC |
| Frequency Rating | 0.0 MEGAHERTZ MINIMUM AND 6.0 GIGAHERTZ MAXIMUM SINGLE FREQUENCY OPERATING |
| Rf Power Handling Capability | 3.0 KILOWATTS PEAK SINGLE |
| Thread Class | 2B MOUNTING FACILITY HOLE |
| Material | ALUMINUM BODY |
| Terminal Type and Quantity | 2 TURRET AND 3 RECEPTACLE, COAXIAL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) MOUNTING FACILITY HOLE |
| Switch Operation Sequence | BREAKS BEFORE MAKES |
| Coaxial Connector Series Designation | N |
| 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 |
|---|---|
| 63-2301 PRIMARY | Dow-Key Microwave Llc (USA) |
| Reference | Meaning |
|---|---|
| 360-11890-12 | 5/9 Secondary reference Arrowsmith Shelburne Inc |
NSN 5985-00-009-8075 is a Switch,radio Frequency Transmiss, manufactured by Dow-Key Microwave Llc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-009-8075 has 1 manufacturer part number on file: 63-2301 (Dow-Key Microwave Llc).
1 possible match (shared part number, not a government interchangeability claim): 4330-01-123-1337. Verify interchangeability with system specifications before substitution.
Key specifications for 63-2301: Switching Time: 25.0 MILLISECONDS MS; Mounting Facility Type and Quantity: 4 THREADED HOLE(S); Overall Height: 1.938 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.