The Switch,radio Frequency Transmiss, cataloged under National Stock Number 5985-01-240-9643, 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 Daico Industries, Inc. Dba Daico Industries Inc. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5985-01-240-9643 |
| Primary Part Number | DS0409/B1 |
| Item Name | Switch,radio Frequency Transmiss |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Daico Industries, Inc. Dba Daico Industries Inc |
| Status | ACTIVE |
| Voltage Standing Wave Ratio | 1.30 SINGLE |
| Criticality Code Justification | FEAT |
| Pole Quantity | 1 |
| Minimum Crosstalk Rating in Decibels | 40.0 SINGLE |
| Specification/standard Data | 82577-655755 MANUFACTURERS SOURCE CONTROL |
| Switch Type | NONTRANSFER |
| Insertion Loss in Decibels | 1.30 SINGLE |
| Actuator Operating Method | SOLID STATE |
| Operating Temp Range | -55.0 TO 85.0 CELSIUS DEGC |
| Frequency Rating | 5.0 MEGAHERTZ MINIMUM AND 110.0 MEGAHERTZ MAXIMUM SINGLE FREQUENCY OPERATING |
| Terminal Type and Quantity | 10 PIN |
| Throw Quantity | 2 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| DS0409/B1 PRIMARY | Daico Industries, Inc. Dba Daico Industries Inc (USA) |
| Reference | Meaning |
|---|---|
| 655755 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 5985-01-240-9643 is a Switch,radio Frequency Transmiss, manufactured by Daico Industries, Inc. Dba Daico Industries Inc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-240-9643 has 1 manufacturer part number on file: DS0409/B1 (Daico Industries, Inc. Dba Daico Industries Inc).
Key specifications for DS0409/B1: Overall Height: 0.150 INCHES NOMINAL IN; Voltage Standing Wave Ratio: 1.30 SINGLE; Criticality Code Justification: FEAT; Pole Quantity: 1. 12 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 5985-01-240-9643 has DEMIL Code Q. 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.