The Switch,radio Frequency Transmiss, cataloged under National Stock Number 5985-01-272-3471, 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 Spectrum Microwave, Inc.. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5985-01-272-3471 |
| Primary Part Number | SAC3120H |
| Item Name | Switch,radio Frequency Transmiss |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Spectrum Microwave, Inc. |
| Status | ACTIVE |
| Switching Time | 50.0 MILLISECONDS MS |
| Body Style | IRREGULAR |
| Actuator Voltage in Volts | 115.0 MAXIMUM |
| Switch Return Mechanism Type | FAIL-SAFE |
| Connector End Design | FEMALE |
| Coupling Position Quantity | 3 |
| Switch Type | TRANSFER |
| Operating Temp Range | -60.0 TO 100.0 CELSIUS DEGC |
| Rf Power Handling Capability | 500.0 WATTS AVERAGE FIRST |
| Rf Power Handling Capability | 3.0 KILOWATTS PEAK SECOND |
| Terminal Type and Quantity | 5 RECEPTACLE, COAXIAL AND 8 PLUG, COAXIAL |
| Switch Operation Sequence | BREAKS BEFORE MAKES |
| Coaxial Connector Series Designation | BNC |
| 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 |
|---|---|
| SAC3120H PRIMARY | Spectrum Microwave, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 3-6531 | 5/9 Secondary reference Spectrum Microwave, Inc. |
NSN 5985-01-272-3471 is a Switch,radio Frequency Transmiss, manufactured by Spectrum Microwave, Inc., classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-272-3471 has 1 manufacturer part number on file: SAC3120H (Spectrum Microwave, Inc.).
2 possible matches (shared part number, not a government interchangeability claim): 8040-01-375-5842, 4820-01-395-3046. Verify interchangeability with system specifications before substitution.
Key specifications for SAC3120H: Switching Time: 50.0 MILLISECONDS MS; Overall Height: 2.950 INCHES MAXIMUM IN; Body Style: IRREGULAR; Actuator Voltage in Volts: 115.0 MAXIMUM. 13 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.