The Switch,radio Frequency Transmiss, cataloged under National Stock Number 5985-01-450-1346, 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 Ducommun Labarge Technologies, Inc Dba Ducommun Labarge Technologies, Inc. Government technical data includes 25 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-450-1346 |
| Primary Part Number | TX4-618A001 |
| Item Name | Switch,radio Frequency Transmiss |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Ducommun Labarge Technologies, Inc Dba Ducommun Labarge Technologies, Inc |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 3 UNTHREADED HOLE(S) |
| Body Style | RECTANGULAR |
| Mounting Facility Pattern | ISOSCELES TRIANGLE SINGLE MOUNTING FACILITY PATTERN |
| Actuator Voltage in Volts | 20.0 MINIMUM AND 26.0 MAXIMUM |
| Voltage Standing Wave Ratio | 1.40 THIRD |
| Voltage Standing Wave Ratio | 1.30 SECOND |
| Voltage Standing Wave Ratio | 1.20 FIRST |
| Voltage Standing Wave Ratio | 1.50 FOURTH |
| Voltage Standing Wave Ratio | 1.60 FIFTH |
| Unthreaded Mounting Hole Diameter | 0.149 INCHES NOMINAL IN |
| Longest Vertical Distance Between Mounting Centers | 1.780 INCHES NOMINAL SINGLE MOUNTING FACILITY PATTERN IN |
| Shortest Horizontal Distance Between Mounting Centers | 0.545 INCHES NOMINAL SINGLE MOUNTING FACILITY PATTERN IN |
| Actuator Current Type and Rating in Amps | 0.350 DC MAXIMUM |
| Coupling Position Quantity | 4 |
| Minimum Crosstalk Rating in Decibels | 80.0 FIRST |
| Switch Type | TRANSFER |
| Insertion Loss in Decibels | 0.40 THIRD |
| Insertion Loss in Decibels | 0.30 SECOND |
| Insertion Loss in Decibels | 0.50 FOURTH |
| Insertion Loss in Decibels | 0.70 FIFTH |
| Actuator Operating Method | SOLID STATE |
| Frequency Rating | 12.4 GIGAHERTZ MINIMUM AND 18.0 GIGAHERTZ MAXIMUM FOURTH FREQUENCY OPERATING |
| Frequency Rating | 8.0 GIGAHERTZ MINIMUM AND 12.4 GIGAHERTZ MAXIMUM THIRD FREQUENCY OPERATING |
| Frequency Rating | 3.0 GIGAHERTZ MINIMUM AND 8.0 GIGAHERTZ MAXIMUM SECOND FREQUENCY OPERATING |
| Frequency Rating | 18.0 GIGAHERTZ MINIMUM AND 26.5 GIGAHERTZ MAXIMUM FIFTH FREQUENCY OPERATING |
| 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 |
|---|---|
| TX4-618A001 PRIMARY | Ducommun Labarge Technologies, Inc Dba Ducommun Labarge Technologies, Inc (USA) |
NSN 5985-01-450-1346 is a Switch,radio Frequency Transmiss, manufactured by Ducommun Labarge Technologies, Inc Dba Ducommun Labarge Technologies, Inc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-450-1346 has 1 manufacturer part number on file: TX4-618A001 (Ducommun Labarge Technologies, Inc Dba Ducommun Labarge Technologies, Inc).
Key specifications for TX4-618A001: Mounting Facility Type and Quantity: 3 UNTHREADED HOLE(S); Overall Height: 2.160 INCHES NOMINAL IN; Body Style: RECTANGULAR; Mounting Facility Pattern: ISOSCELES TRIANGLE SINGLE MOUNTING FACILITY PATTERN. 25 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.