The Switch,radio Frequency Transmiss, cataloged under National Stock Number 5985-01-225-5408, 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 Keysight Technologies Inc. Government technical data includes 18 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-225-5408 |
| Primary Part Number | 33311B-C05 |
| Item Name | Switch,radio Frequency Transmiss |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Keysight Technologies Inc |
| Status | ACTIVE |
| Switching Time | 30.0 MILLISECONDS MS |
| Body Style | RECTANGULAR |
| Actuator Voltage in Volts | 24.0 NOMINAL |
| Voltage Standing Wave Ratio | 1.50 SECOND |
| Voltage Standing Wave Ratio | 1.25 FIRST |
| Connector End Design | FEMALE |
| Coupling Position Quantity | 3 |
| Minimum Crosstalk Rating in Decibels | 90.0 SINGLE |
| Switch Type | TRANSFER |
| Insertion Loss in Decibels | 0.50 SECOND |
| Insertion Loss in Decibels | 0.25 FIRST |
| Frequency Rating | 0.0 GIGAHERTZ MINIMUM AND 18.0 GIGAHERTZ MAXIMUM SINGLE FREQUENCY OPERATING |
| Frequency Rating | 12.4 GIGAHERTZ MINIMUM AND 18.0 GIGAHERTZ MAXIMUM SINGLE FREQUENCY VOLTAGE STANDING WAVE RATIO |
| Frequency Rating | 18.0 GIGAHERTZ NOMINAL SINGLE FREQUENCY RF POWER HANDLING |
| Frequency Rating | 2.0 GIGAHERTZ MINIMUM AND 18.0 GIGAHERTZ MAXIMUM SINGLE FREQUENCY INSERTION LOSS REFERENCE |
| Rf Power Handling Capability | 1.0 WATTS AVERAGE SINGLE |
| Terminal Type and Quantity | 3 TURRET AND 3 RECEPTACLE, 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 |
|---|---|
| 33311B-C05 PRIMARY | Keysight Technologies Inc (USA) |
| Reference | Meaning |
|---|---|
| 5C3/159978 | 5/9 Secondary reference Ministry of Defence, De&s Underwater and Electronic Warfare Pt (uew Ipt) |
| 33311B-C05 | 3/9 Design control — primary reference Keysight Technologies, Inc. |
| 5C3/159978 | 5/9 Secondary reference Ministry of Defence, De&s Underwater and Electronic Warfare Pt (uew Ipt) |
| 33311B-C05 | 5/9 Secondary reference Hewlett-Packard Company Dba HP |
NSN 5985-01-225-5408 is a Switch,radio Frequency Transmiss, manufactured by Keysight Technologies Inc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-225-5408 has 1 manufacturer part number on file: 33311B-C05 (Keysight Technologies Inc).
Key specifications for 33311B-C05: Switching Time: 30.0 MILLISECONDS MS; Overall Height: 2.130 INCHES NOMINAL IN; Body Style: RECTANGULAR; Actuator Voltage in Volts: 24.0 NOMINAL. 18 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.