The Switch,radio Frequency Transmiss, cataloged under National Stock Number 5985-01-138-1963, 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 20 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5985-01-138-1963 |
| Primary Part Number | 100C1584 |
| 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 | 0.5 MICROSECONDS US |
| Body Style | RECTANGULAR |
| Precious Material | SILVER |
| Pole Quantity | 1 |
| Switch Return Mechanism Type | FAIL-SAFE |
| Connector End Design | FEMALE |
| Actuator Current Type and Rating in Amps | 0.15 DC MAXIMUM |
| Coupling Position Quantity | 5 |
| Maximum Operating Altitude Rating | 10000.0 FEET FT |
| Switch Type | NONTRANSFER |
| Precious Material and Location | EXTERNAL SURFACES SILVER |
| Operating Temp Range | -50.0 TO 150.0 FAHRENHEIT DEGF |
| Frequency Rating | 20.0 MEGAHERTZ MINIMUM AND 200.0 MEGAHERTZ MAXIMUM FIRST FREQUENCY INSERTION LOSS REFERENCE |
| Frequency Rating | 20.0 MEGAHERTZ MINIMUM AND 350.0 MEGAHERTZ MAXIMUM SECOND FREQUENCY INSERTION LOSS REFERENCE |
| Frequency Rating | 20.0 MEGAHERTZ MINIMUM AND 600.0 MEGAHERTZ MAXIMUM SINGLE FREQUENCY VOLTAGE STANDING WAVE RATIO |
| Frequency Rating | 350.0 MEGAHERTZ MINIMUM AND 600.0 MEGAHERTZ MAXIMUM THIRD FREQUENCY INSERTION LOSS REFERENCE |
| Terminal Type and Quantity | 6 TURRET AND 5 CONNECTOR, RECEPTACLE |
| Switch Operation Sequence | BREAKS BEFORE MAKES |
| Coaxial Connector Series Designation | SMA |
| Throw Quantity | 4 |
| 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 |
|---|---|
| 100C1584 | Daico Industries, Inc. Dba Daico Industries Inc (USA) |
| Reference | Meaning |
|---|---|
| 5054965-1 | 3/9 Design control — primary reference Signals Warfare Project Manager |
NSN 5985-01-138-1963 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 5985-01-138-1963 has 1 manufacturer part number on file: 100C1584 (Daico Industries, Inc. Dba Daico Industries Inc).
Key specifications for 100C1584: Switching Time: 0.5 MICROSECONDS US; Overall Height: 0.600 INCHES MAXIMUM IN; Body Style: RECTANGULAR; Precious Material: SILVER. 20 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.