The Switch,radio Frequency Transmiss, cataloged under National Stock Number 5985-01-365-5037, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-365-5037 |
| Primary Part Number | 587R549H01 |
| Item Name | Switch,radio Frequency Transmiss |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Dow-Key Microwave Llc |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 2 UNTHREADED HOLE(S) |
| Body Style | RECTANGULAR |
| Mounting Facility Pattern | TWO POSITION IN-LINE SINGLE MOUNTING FACILITY PATTERN |
| Precious Material | GOLD |
| Voltage Standing Wave Ratio | 1.50 SINGLE |
| Unthreaded Mounting Hole Diameter | 0.100 INCHES MINIMUM AND 0.105 INCHES MAXIMUM IN |
| Pole Quantity | 1 |
| Switch Return Mechanism Type | FAIL-SAFE |
| Connector End Design | FEMALE |
| Unpackaged Unit Weight | 2.000 OUNCES OZ |
| 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 FIRST |
| Minimum Crosstalk Rating in Decibels | 60.0 SECOND |
| Switch Type | NONTRANSFER |
| Insertion Loss in Decibels | 0.50 SINGLE |
| Actuator Operating Method | SOLID STATE |
| Surface Treatment | CHROMATE BODY ALL SURFACES |
| Surface Treatment | GOLD TERMINAL(S) OUTSIDE SURFACES |
| Surface Treatment | PASSIVATE CONNECTOR(S) OUTSIDE SURFACES |
| Precious Material and Location | TERMINAL SURFACES GOLD |
| Operating Temp Range | -54.0 TO 85.0 CELSIUS DEGC |
| Frequency Rating | 0.0 GIGAHERTZ MINIMUM AND 19.0 GIGAHERTZ MAXIMUM SINGLE FREQUENCY INSERTION LOSS REFERENCE |
| Frequency Rating | 0.0 GIGAHERTZ MINIMUM AND 19.0 GIGAHERTZ MAXIMUM SINGLE FREQUENCY OPERATING |
| Frequency Rating | 0.0 GIGAHERTZ MINIMUM AND 19.0 GIGAHERTZ MAXIMUM SINGLE FREQUENCY VOLTAGE STANDING WAVE RATIO |
| Frequency Rating | 0.0 GIGAHERTZ MINIMUM AND 3.6 GIGAHERTZ MAXIMUM FIRST FREQUENCY CROSSTALK REFERENCE |
| Frequency Rating | 3.6 GIGAHERTZ MINIMUM AND 19.0 GIGAHERTZ MAXIMUM SECOND FREQUENCY CROSSTALK REFERENCE |
| 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 |
|---|---|
| 587R549H01 | Dow-Key Microwave Llc (USA) |
| Reference | Meaning |
|---|---|
| 587R549H01 | 5/9 Secondary reference U.S. Government activity |
| 587R549H01 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5985-01-365-5037 is a Switch,radio Frequency Transmiss, manufactured by Dow-Key Microwave Llc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-365-5037 has 1 manufacturer part number on file: 587R549H01 (Dow-Key Microwave Llc).
Key specifications for 587R549H01: Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S); Overall Height: 1.340 INCHES NOMINAL IN; Body Style: RECTANGULAR; Mounting Facility Pattern: TWO POSITION IN-LINE SINGLE MOUNTING FACILITY PATTERN. 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.