The Switch,radio Frequency Transmiss, cataloged under National Stock Number 5985-00-443-8301, 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 15 specifications, cited from the U.S. Government catalog. The record lists 6 manufacturer part numbers 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5985-00-443-8301 |
| Primary Part Number | 919C70100 |
| 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 |
| Body Style | RECTANGULAR |
| Actuator Voltage in Volts | 20.0 MINIMUM AND 30.0 MAXIMUM |
| Switch Return Mechanism Type | FAIL-SAFE |
| Connector End Design | FEMALE |
| Actuator Current Type and Rating in Amps | 0.12 DC NOMINAL |
| Coupling Position Quantity | 2 |
| Switch Type | TRANSFER |
| Operating Temp Range | -54.0 TO 85.0 CELSIUS DEGC |
| Frequency Rating | 1.0 GIGAHERTZ MINIMUM AND 18.0 GIGAHERTZ MAXIMUM SINGLE FREQUENCY RF POWER HANDLING |
| Frequency Rating | 1.0 GIGAHERTZ NOMINAL FIRST FREQUENCY INSERTION LOSS REFERENCE |
| Frequency Rating | 12.4 GIGAHERTZ NOMINAL SECOND FREQUENCY INSERTION LOSS REFERENCE |
| Terminal Type and Quantity | 2 TAB, SOLDER LUG AND 3 RECEPTACLE, COAXIAL |
| Switch Operation Sequence | BREAKS BEFORE MAKES |
| Coaxial Connector Series Designation | SMA |
| 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 |
|---|---|
| 5L4759-002-32 | Hensoldt Sensors Gmbh Div Seps (DEU) |
| 919C70100 PRIMARY | Dow-Key Microwave Llc (USA) |
| 5L.4759.002.32 | Hensoldt Sensors Gmbh Div Seps (DEU) |
| 721893-1 | Raytheon Company Div Rmd Strategic (USA) |
| S-6165 | Rlc Electronics, Inc (USA) |
| 91543574 | Thales Sa (FRA) |
| Reference | Meaning |
|---|---|
| 42-004028-01 | 5/9 Secondary reference Techtrol Cyclonetics, Inc. |
| D03413A3H | 5/9 Secondary reference Ducommun Labarge Technologies, Inc Dba Ducommun Labarge Technologies, Inc |
| 919C70100 | 5/9 Secondary reference K&l Microwave Llc |
| 919C70100 | 5/9 Secondary reference U.S. Government activity |
| 49-0004 | 5/9 Secondary reference U.S. Government activity |
NSN 5985-00-443-8301 is a Switch,radio Frequency Transmiss, manufactured by Dow-Key Microwave Llc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-443-8301 has 6 manufacturer part numbers on file: 5L4759-002-32 (Hensoldt Sensors Gmbh Div Seps), 919C70100 (Dow-Key Microwave Llc), 5L.4759.002.32 (Hensoldt Sensors Gmbh Div Seps), 721893-1 (Raytheon Company Div Rmd Strategic), S-6165 (Rlc Electronics, Inc) and 1 more.
2 possible matches (shared part number, not a government interchangeability claim): 5985-00-624-7181, 5985-01-418-8024. Verify interchangeability with system specifications before substitution.
Key specifications for 919C70100: Switching Time: 20.0 MILLISECONDS MS; Overall Height: 0.500 INCHES NOMINAL IN; Body Style: RECTANGULAR; Actuator Voltage in Volts: 20.0 MINIMUM AND 30.0 MAXIMUM. 15 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.