The Switch,radio Frequency Transmiss, cataloged under National Stock Number 5985-01-370-4102, 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 22 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-370-4102 |
| Primary Part Number | 1220691-201 |
| Item Name | Switch,radio Frequency Transmiss |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Lockheed Martin Corporation Div Rms |
| Status | ACTIVE |
| Switching Time | 5.0 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 | 0.104 INCHES NOMINAL IN |
| Pole Quantity | 1 |
| Switch Return Mechanism Type | FAIL-SAFE |
| Connector End Design | FEMALE |
| Distance Between Mounting Facility Centers | 1.811 INCHES NOMINAL SINGLE MOUNTING FACILITY PATTERN IN |
| Coupling Position Quantity | 1 |
| Minimum Crosstalk Rating in Decibels | 70.0 SINGLE |
| Switch Type | NONTRANSFER |
| Insertion Loss in Decibels | 2.00 SINGLE |
| Actuator Operating Method | RELAY |
| Surface Treatment | NICKEL COVER ALL SURFACES |
| Surface Treatment | NICKEL BODY ALL SURFACES |
| Frequency Rating | 60.0 MEGAHERTZ MINIMUM AND 130.0 MEGAHERTZ MAXIMUM SINGLE FREQUENCY OPERATING |
| Material | ALUMINUM COVER |
| Material | ALUMINUM BODY |
| Terminal Type and Quantity | 1 PLUG, COAXIAL AND 10 PIN |
| Coaxial Connector Series Designation | SMA |
| Throw Quantity | 5 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 116449 | Spectrum Microwave Inc (USA) |
| 1220691-201 PRIMARY | Lockheed Martin Corporation Div Rms (USA) |
| Reference | Meaning |
|---|---|
| 1220691-201 | 5/9 Secondary reference Lockheed Martin Corporation Div Rms - Mitchel Field |
| 116449 | 5/9 Secondary reference Aeroflex R D L Corp |
NSN 5985-01-370-4102 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 5985-01-370-4102 has 2 manufacturer part numbers on file: 116449 (Spectrum Microwave Inc), 1220691-201 (Lockheed Martin Corporation Div Rms).
Key specifications for 1220691-201: Switching Time: 5.0 MICROSECONDS US; Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S); Overall Height: 1.810 INCHES MINIMUM AND 1.870 INCHES MAXIMUM IN; Body Style: RECTANGULAR. 22 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 5985-01-370-4102 has DEMIL Code B. 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.