The Switch,radio Frequency Transmiss, cataloged under National Stock Number 5985-01-270-0667, 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 24 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5985-01-270-0667 |
| Primary Part Number | DS0344/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 |
| Switching Time | 1.0 MICROSECONDS US |
| Mounting Facility Type and Quantity | 24 PLUG-IN |
| Body Style | RECTANGULAR |
| Precious Material | GOLD |
| Voltage Standing Wave Ratio | 1.40 SINGLE |
| Switch Return Mechanism Type | FAIL-SAFE |
| Unpackaged Unit Weight | 20.0 GRAMS G |
| Maximum Operating Altitude Rating | 30000.0 FEET FT |
| Minimum Crosstalk Rating in Decibels | 60.0 SINGLE |
| Switch Type | TRANSFER |
| Insertion Loss in Decibels | 1.00 SINGLE |
| Actuator Operating Method | SOLID STATE |
| Surface Treatment | GOLD BODY ALL SURFACES |
| Surface Treatment | GOLD COVER ALL SURFACES |
| Precious Material and Location | CASE AND COVER EXTERNAL SURFACES GOLD |
| Operating Temp Range | -55.0 TO 85.0 CELSIUS DEGC |
| Frequency Rating | 100.0 MEGAHERTZ MINIMUM AND 200.0 MEGAHERTZ MAXIMUM SINGLE FREQUENCY CROSSTALK REFERENCE |
| Frequency Rating | 100.0 MEGAHERTZ MINIMUM AND 200.0 MEGAHERTZ MAXIMUM SINGLE FREQUENCY INSERTION LOSS REFERENCE |
| Frequency Rating | 100.0 MEGAHERTZ MINIMUM AND 200.0 MEGAHERTZ MAXIMUM SINGLE FREQUENCY OPERATING |
| Frequency Rating | 100.0 MEGAHERTZ MINIMUM AND 200.0 MEGAHERTZ MAXIMUM SINGLE FREQUENCY VOLTAGE STANDING WAVE RATIO |
| Material | IRON ALLOY AND NICKEL ALLOY BODY |
| Material | IRON ALLOY AND NICKEL ALLOY COVER |
| Terminal Type and Quantity | 24 PIN |
| Switch Operation Sequence | MAKES BEFORE BREAKS |
| 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 |
|---|---|
| DS0344/B1 | Daico Industries, Inc. Dba Daico Industries Inc (USA) |
| Reference | Meaning |
|---|---|
| C5118395 | 5/9 Secondary reference Us Army Electronic Warfare Laboratory See CAGE Code 80063 |
| C5118395 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5985-01-270-0667 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 5985-01-270-0667 has 1 manufacturer part number on file: DS0344/B1 (Daico Industries, Inc. Dba Daico Industries Inc).
Key specifications for DS0344/B1: Switching Time: 1.0 MICROSECONDS US; Mounting Facility Type and Quantity: 24 PLUG-IN; Overall Height: 0.800 INCHES MAXIMUM IN; Body Style: RECTANGULAR. 24 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.