The Switch,radio Frequency Transmiss, cataloged under National Stock Number 5985-01-279-9674, 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 16 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-279-9674 |
| Primary Part Number | 401-108 |
| Item Name | Switch,radio Frequency Transmiss |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Dow-Key Microwave Llc |
| Status | ACTIVE |
| Switching Time | 20.0 MILLISECONDS MS |
| Mounting Facility Type and Quantity | 2 UNTHREADED HOLE(S) |
| Body Style | RECTANGULAR |
| Actuator Voltage in Volts | 20.0 MINIMUM AND 30.0 MAXIMUM |
| Unthreaded Mounting Hole Diameter | 0.120 INCHES NOMINAL IN |
| Pole Quantity | 1 |
| Switch Return Mechanism Type | LATCHING |
| Connector End Design | FEMALE |
| Coupling Position Quantity | 3 |
| Switch Type | NONTRANSFER |
| Actuator Operating Method | SOLID STATE |
| Operating Temp Range | -71.0 TO 85.0 CELSIUS DEGC |
| Terminal Type and Quantity | 3 RECEPTACLE, COAXIAL AND 5 TAB, SOLDER LUG |
| Switch Operation Sequence | BREAKS BEFORE MAKES |
| Coaxial Connector Series Designation | SMA |
| Throw Quantity | 2 |
| 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 |
|---|---|
| 401-108 | Dow-Key Microwave Llc (USA) |
| 909C75600 | Dow-Key Microwave Llc (USA) |
| Reference | Meaning |
|---|---|
| C5135606 | 3/9 Design control — primary reference Signals Warfare Project Manager |
| 909C75600 | 5/9 Secondary reference U.S. Government activity |
| 909C75600 | 5/9 Secondary reference K&l Microwave Llc |
NSN 5985-01-279-9674 is a Switch,radio Frequency Transmiss, manufactured by Dow-Key Microwave Llc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-279-9674 has 2 manufacturer part numbers on file: 401-108 (Dow-Key Microwave Llc), 909C75600 (Dow-Key Microwave Llc).
3 possible matches (shared part number, not a government interchangeability claim): 6515-01-500-1178, 5985-01-567-2642, 8465-01-727-4332. Verify interchangeability with system specifications before substitution.
Key specifications for 401-108: Switching Time: 20.0 MILLISECONDS MS; Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S); Overall Height: 0.500 INCHES NOMINAL IN; Body Style: RECTANGULAR. 16 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 5985-01-279-9674 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.