The Switch,radio Frequency Transmiss, cataloged under National Stock Number 5985-01-186-5628, 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 Department of the Army Hq United States Army Communications Research and Development Command. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5985-01-186-5628 |
| Primary Part Number | B4034599-002 |
| Item Name | Switch,radio Frequency Transmiss |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Department of the Army Hq United States Army Communications Research and Development Command |
| Status | ACTIVE |
| Switching Time | 2.0 MICROSECONDS US |
| Mounting Facility Type and Quantity | 2 UNTHREADED HOLE(S) |
| Body Style | OCTAGONAL |
| Voltage Standing Wave Ratio | 1.50 SINGLE |
| Switch Return Mechanism Type | FAIL-SAFE |
| Connector End Design | FEMALE |
| Coupling Position Quantity | 7 |
| Minimum Crosstalk Rating in Decibels | 45.0 SINGLE |
| Switch Type | TRANSFER |
| Insertion Loss in Decibels | 2.20 SINGLE |
| Actuator Operating Method | RELAY |
| Operating Temp Range | -55.0 TO 100.0 CELSIUS DEGC |
| Frequency Rating | 7.3 GIGAHERTZ MINIMUM AND 8.4 GIGAHERTZ MAXIMUM SINGLE FREQUENCY OPERATING |
| Rf Power Handling Capability | 0.1 WATTS AVERAGE SINGLE |
| Material | ALUMINUM ALLOY BODY |
| Material | STEEL CORROSION RESISTING CONNECTOR(S) |
| Coaxial Connector Series Designation | SMA |
| Rf Maximum Voltage Rating | 5.0 VOLTS PEAK |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| B4034599-002 PRIMARY | Department of the Army Hq United States Army Communications Research and Development Command (USA) |
| Reference | Meaning |
|---|---|
| VM-1100 | 5/1 Secondary reference Caes Systems Llc |
NSN 5985-01-186-5628 is a Switch,radio Frequency Transmiss, manufactured by Department of the Army Hq United States Army Communications Research and Development Command, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-186-5628 has 1 manufacturer part number on file: B4034599-002 (Department of the Army Hq United States Army Communications Research and Development Command).
Key specifications for B4034599-002: Switching Time: 2.0 MICROSECONDS US; Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S); Body Style: OCTAGONAL; Voltage Standing Wave Ratio: 1.50 SINGLE. 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.
NSN 5985-01-186-5628 has DEMIL Code D. 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.