The Switch,radio Frequency Transmiss, cataloged under National Stock Number 5985-00-487-1746, 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 - Mitchel Field. Government technical data includes 24 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-487-1746 |
| Primary Part Number | 561980 |
| Item Name | Switch,radio Frequency Transmiss |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Lockheed Martin Corporation Div Rms - Mitchel Field |
| Status | ACTIVE |
| Switching Time | 0.020 MICROSECONDS US |
| Mounting Facility Type and Quantity | 2 UNTHREADED HOLE(S) |
| Body Style | RECTANGULAR |
| Mounting Facility Pattern | TWO POSITION IN-LINE SINGLE MOUNTING FACILITY PATTERN |
| Unthreaded Mounting Hole Diameter | 0.160 INCHES NOMINAL IN |
| Pole Quantity | 1 |
| Connector End Design | FEMALE |
| Distance Between Mounting Facility Centers | 2.380 INCHES NOMINAL SINGLE MOUNTING FACILITY PATTERN IN |
| Coupling Position Quantity | 2 |
| Minimum Crosstalk Rating in Decibels | 60.0 SINGLE |
| Switch Type | NONTRANSFER |
| Insertion Loss in Decibels | 2.00 SINGLE |
| Actuator Operating Method | RELAY |
| Surface Treatment | ENAMEL BODY OUTSIDE SURFACES |
| Operating Temp Range | -55.0 TO 71.0 CELSIUS DEGC |
| Frequency Rating | 4.0 GIGAHERTZ MINIMUM AND 8.0 GIGAHERTZ MAXIMUM SINGLE FREQUENCY CROSSTALK REFERENCE |
| Frequency Rating | 4.0 GIGAHERTZ MINIMUM AND 8.0 GIGAHERTZ MAXIMUM SINGLE FREQUENCY INSERTION LOSS REFERENCE |
| Frequency Rating | 4.0 GIGAHERTZ MINIMUM AND 8.0 GIGAHERTZ MAXIMUM SINGLE FREQUENCY OPERATING |
| Frequency Rating | 4.0 GIGAHERTZ MINIMUM AND 8.0 GIGAHERTZ MAXIMUM SINGLE FREQUENCY RF POWER HANDLING |
| Rf Power Handling Capability | 2.0 WATTS AVERAGE SINGLE |
| Terminal Type and Quantity | 3 SOLDER STUD AND 3 RECEPTACLE, COAXIAL |
| Switch Operation Sequence | MAKES BEFORE BREAKS |
| Coaxial Connector Series Designation | SMA |
| Throw Quantity | 1 |
| 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 |
|---|---|
| 561980 PRIMARY | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
| 2922072 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| Reference | Meaning |
|---|---|
| AC503P | 5/9 Secondary reference Litton Systems Inc Hyletronics Group-Airtron Div |
| AC503P | 5/9 Secondary reference Hyletronics Limited Partnership |
| 561980-000 | C/1 Advisory reference — outside the item-of-supply concept Lockheed Martin Corporation Div Rms - Mitchel Field |
NSN 5985-00-487-1746 is a Switch,radio Frequency Transmiss, manufactured by Lockheed Martin Corporation Div Rms - Mitchel Field, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-487-1746 has 2 manufacturer part numbers on file: 561980 (Lockheed Martin Corporation Div Rms - Mitchel Field), 2922072 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 561980: Switching Time: 0.020 MICROSECONDS US; Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S); Body Style: RECTANGULAR; Mounting Facility Pattern: TWO POSITION IN-LINE SINGLE MOUNTING FACILITY PATTERN. 24 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.