The Switch,radio Frequency Transmiss, cataloged under National Stock Number 5985-01-224-1853, 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 General Microwave Corporation Div Kratos Microwave Electronics. Government technical data includes 18 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-224-1853 |
| Primary Part Number | DM863B |
| Item Name | Switch,radio Frequency Transmiss |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | General Microwave Corporation Div Kratos Microwave Electronics |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 1 BASE AND 2 UNTHREADED HOLE(S) |
| Voltage Standing Wave Ratio | 1.40 FIRST |
| Voltage Standing Wave Ratio | 1.85 SECOND |
| Pole Quantity | 1 |
| Connector End Design | FEMALE |
| Coupling Position Quantity | 3 |
| Switch Type | TRANSFER |
| Insertion Loss in Decibels | 1.00 FIRST |
| Insertion Loss in Decibels | 2.30 SECOND |
| Operating Temp Range | -65.0 TO 85.0 CELSIUS DEGC |
| Frequency Rating | 0.5 GIGAHERTZ MINIMUM AND 18.0 GIGAHERTZ MAXIMUM SINGLE FREQUENCY INSERTION LOSS REFERENCE |
| Frequency Rating | 0.5 GIGAHERTZ MINIMUM AND 18.0 GIGAHERTZ MAXIMUM SINGLE FREQUENCY OPERATING |
| Frequency Rating | 0.5 GIGAHERTZ MINIMUM AND 18.0 GIGAHERTZ MAXIMUM SINGLE FREQUENCY RF POWER HANDLING |
| Frequency Rating | 0.5 GIGAHERTZ MINIMUM AND 18.0 GIGAHERTZ MAXIMUM SINGLE FREQUENCY VOLTAGE STANDING WAVE RATIO |
| Rf Power Handling Capability | 2.0 WATTS PEAK FIRST |
| Terminal Type and Quantity | 1 PLUG, COAXIAL AND 2 RECEPTACLE, COAXIAL |
| Coaxial Connector Series Designation | SMA |
| Throw Quantity | 1 |
| 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 |
|---|---|
| DM863B PRIMARY | General Microwave Corporation Div Kratos Microwave Electronics (USA) |
| Reference | Meaning |
|---|---|
| 5C3/159985 | 5/9 Secondary reference Ministry of Defence (navy) |
NSN 5985-01-224-1853 is a Switch,radio Frequency Transmiss, manufactured by General Microwave Corporation Div Kratos Microwave Electronics, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-224-1853 has 1 manufacturer part number on file: DM863B (General Microwave Corporation Div Kratos Microwave Electronics).
Key specifications for DM863B: Mounting Facility Type and Quantity: 1 BASE AND 2 UNTHREADED HOLE(S); Overall Height: 0.510 INCHES MINIMUM AND 0.550 INCHES MAXIMUM IN; Voltage Standing Wave Ratio: 1.40 FIRST; Voltage Standing Wave Ratio: 1.85 SECOND. 18 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.