The Switch,radio Frequency Transmiss, cataloged under National Stock Number 5985-01-361-4385, 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 5 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-361-4385 |
| Primary Part Number | 521-430833 |
| Item Name | Switch,radio Frequency Transmiss |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Dow-Key Microwave Llc |
| Status | ACTIVE |
| Voltage Standing Wave Ratio | 1.50 SINGLE |
| Minimum Crosstalk Rating in Decibels | 60.0 SINGLE |
| Insertion Loss in Decibels | 0.50 SINGLE |
| Actuator Operating Method | SOLID STATE |
| Frequency Rating | 0.0 GIGAHERTZ MINIMUM AND 18.0 GIGAHERTZ MAXIMUM SINGLE FREQUENCY OPERATING |
| 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 |
|---|---|
| 521-430833 PRIMARY | Dow-Key Microwave Llc (USA) |
| Reference | Meaning |
|---|---|
| MST-28-F-SMA-I-ITP | 5/9 Secondary reference Dow-Key Microwave Llc |
| MST-28-F-0005 | 5/9 Secondary reference Dow-Key Microwave Llc |
| 421-430833 | 5/9 Secondary reference Dow-Key Microwave Llc |
| MST-28-F-SMA-I-ITP | 5/9 Secondary reference K&l Microwave Llc |
| MST-28-F-SMA-1 | 5/9 Secondary reference Dow-Key Microwave Llc |
NSN 5985-01-361-4385 is a Switch,radio Frequency Transmiss, manufactured by Dow-Key Microwave Llc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-361-4385 has 1 manufacturer part number on file: 521-430833 (Dow-Key Microwave Llc).
Key specifications for 521-430833: Voltage Standing Wave Ratio: 1.50 SINGLE; Minimum Crosstalk Rating in Decibels: 60.0 SINGLE; Insertion Loss in Decibels: 0.50 SINGLE; Actuator Operating Method: SOLID STATE. 5 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.