The Switch,radio Frequency Transmiss, cataloged under National Stock Number 5985-01-287-5658, 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 Lockheed Martin Corporation Div Rms. Government technical data includes 10 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-287-5658 |
| Primary Part Number | 77C730056P001 |
| Item Name | Switch,radio Frequency Transmiss |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Lockheed Martin Corporation Div Rms |
| Status | ACTIVE |
| Body Style | CYLINDRICAL |
| Connector End Design | FEMALE |
| Coupling Position Quantity | 12 |
| Switch Type | TRANSFER |
| Operating Temp Range | +0.0 TO 50.0 CELSIUS DEGC |
| Rf Power Handling Capability | 500.0 WATTS AVERAGE FIRST |
| Rf Power Handling Capability | 2500.0 WATTS PEAK SECOND |
| Terminal Type and Quantity | 1 RECEPTACLE, COAXIAL |
| Switch Operation Sequence | MAKES BEFORE BREAKS |
| Coaxial Connector Series Designation | N |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 77C730056P001 PRIMARY | Lockheed Martin Corporation Div Rms (USA) |
| STN2180A-4 | Spectrum Microwave, Inc. (USA) |
NSN 5985-01-287-5658 is a Switch,radio Frequency Transmiss, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-287-5658 has 2 manufacturer part numbers on file: 77C730056P001 (Lockheed Martin Corporation Div Rms), STN2180A-4 (Spectrum Microwave, Inc.).
Key specifications for 77C730056P001: Overall Height: 3.800 INCHES MAXIMUM IN; Body Style: CYLINDRICAL; Connector End Design: FEMALE; Overall Length: 3.410 INCHES MAXIMUM IN. 10 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 5985-01-287-5658 has DEMIL Code Q. 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.