The Switch,radio Frequency Transmiss, cataloged under National Stock Number 5985-01-473-1906, 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 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5985-01-473-1906 |
| Primary Part Number | TA2A31SEI |
| 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 BASE |
| Body Style | RECTANGULAR |
| Actuator Voltage in Volts | 28.0 NOMINAL |
| Connector End Design | FEMALE |
| Coupling Position Quantity | 4 |
| Minimum Crosstalk Rating in Decibels | 70.0 SINGLE |
| Switch Type | TRANSFER |
| Insertion Loss in Decibels | 0.15 SINGLE |
| Actuator Operating Method | SOLID STATE |
| Frequency Rating | 0.0 MEGAHERTZ MINIMUM AND 400.0 MEGAHERTZ MAXIMUM SINGLE FREQUENCY OPERATING |
| Terminal Type and Quantity | 4 PLUG, COAXIAL |
| Coaxial Connector Series Designation | SMA |
| 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 |
|---|---|
| TA2A31SEI PRIMARY | Ducommun Labarge Technologies, Inc Dba Ducommun Labarge Technologies, Inc (USA) |
| Reference | Meaning |
|---|---|
| TA2A31SEI | 3/9 Design control — primary reference Dbp Microwave Inc. Dba Dbp Microwave Inc. |
NSN 5985-01-473-1906 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 5985-01-473-1906 has 1 manufacturer part number on file: TA2A31SEI (Ducommun Labarge Technologies, Inc Dba Ducommun Labarge Technologies, Inc).
Key specifications for TA2A31SEI: Mounting Facility Type and Quantity: 3 BASE; Overall Height: 2.160 INCHES NOMINAL IN; Body Style: RECTANGULAR; Actuator Voltage in Volts: 28.0 NOMINAL. 12 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.