The Switch,radio Frequency Transmiss, cataloged under National Stock Number 5985-01-371-8914, 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 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-371-8914 |
| Primary Part Number | MPT-43278 |
| Item Name | Switch,radio Frequency Transmiss |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Dow-Key Microwave Llc |
| Status | ACTIVE |
| Switching Time | 10.0 MILLISECONDS MS |
| Mounting Facility Type and Quantity | 4 UNTHREADED HOLE(S) |
| Body Style | RECTANGULAR |
| Switch Return Mechanism Type | LATCHING |
| Connector End Design | FEMALE |
| Coupling Position Quantity | 1 |
| Switch Type | TRANSFER |
| Actuator Operating Method | SOLID STATE |
| Frequency Rating | 18.0 GIGAHERTZ NOMINAL SINGLE FREQUENCY OPERATING |
| Material | ALUMINUM ALLOY 6061 BODY |
| Terminal Type and Quantity | 5 QUICK DISCONNECT, FEMALE |
| 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 |
|---|---|
| MPT-43278 PRIMARY | Dow-Key Microwave Llc (USA) |
| GA-000051-001 | Raytheon E-Systems, Inc (USA) |
| Reference | Meaning |
|---|---|
| MPT-43278 | 5/9 Secondary reference K&l Microwave Llc |
NSN 5985-01-371-8914 is a Switch,radio Frequency Transmiss, manufactured by Dow-Key Microwave Llc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-371-8914 has 2 manufacturer part numbers on file: MPT-43278 (Dow-Key Microwave Llc), GA-000051-001 (Raytheon E-Systems, Inc).
Key specifications for MPT-43278: Switching Time: 10.0 MILLISECONDS MS; Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S); Overall Height: 2.800 INCHES NOMINAL IN; Body Style: RECTANGULAR. 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.
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.