The Switch,radio Frequency Transmiss, cataloged under National Stock Number 5985-01-370-1969, 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 21 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-370-1969 |
| Primary Part Number | 1220695-201 |
| 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 | 5.0 MICROSECONDS US |
| Mounting Facility Type and Quantity | 2 UNTHREADED HOLE(S) |
| 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 | MALE |
| Distance Between Mounting Facility Centers | 1.825 INCHES NOMINAL SINGLE MOUNTING FACILITY PATTERN IN |
| Coupling Position Quantity | 2 |
| Minimum Crosstalk Rating in Decibels | 75.0 SINGLE |
| Switch Type | NONTRANSFER |
| Insertion Loss in Decibels | 2.50 SINGLE |
| Actuator Operating Method | RELAY |
| Surface Treatment | NICKEL COVER ALL SURFACES |
| Surface Treatment | NICKEL BODY ALL SURFACES |
| Frequency Rating | 1580.0 MEGAHERTZ MINIMUM AND 1780.0 MEGAHERTZ MAXIMUM SINGLE FREQUENCY OPERATING |
| Material | ALUMINUM COVER |
| Material | ALUMINUM BODY |
| Terminal Type and Quantity | 2 PLUG, COAXIAL AND 6 PIN |
| Coaxial Connector Series Designation | SMA |
| Throw Quantity | 4 |
| 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 |
|---|---|
| 1220695-201 PRIMARY | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
| Reference | Meaning |
|---|---|
| 116428 | 5/9 Secondary reference Aeroflex R D L Corp |
NSN 5985-01-370-1969 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 5985-01-370-1969 has 1 manufacturer part number on file: 1220695-201 (Lockheed Martin Corporation Div Rms - Mitchel Field).
Key specifications for 1220695-201: Switching Time: 5.0 MICROSECONDS US; Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S); Overall Height: 1.700 INCHES NOMINAL IN; Mounting Facility Pattern: TWO POSITION IN-LINE SINGLE MOUNTING FACILITY PATTERN. 21 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.