The Switch,radio Frequency Transmiss, cataloged under National Stock Number 5985-01-134-8108, 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 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-134-8108 |
| Primary Part Number | 8761B-556 |
| Item Name | Switch,radio Frequency Transmiss |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Keysight Technologies Inc |
| Status | ACTIVE |
| Switching Time | 20.0 MILLISECONDS MS |
| Mounting Facility Type and Quantity | 2 THREADED HOLE(S) |
| Body Style | RECTANGULAR |
| Actuator Voltage in Volts | 24.0 MINIMUM AND 30.0 MAXIMUM |
| Voltage Standing Wave Ratio | 1.25 SINGLE |
| Pole Quantity | 1 |
| Switch Return Mechanism Type | LATCHING |
| Connector End Design | FEMALE AND MALE |
| Coupling Position Quantity | 3 |
| Minimum Crosstalk Rating in Decibels | 45.0 SINGLE |
| Switch Type | NONTRANSFER |
| Insertion Loss in Decibels | 0.80 SINGLE |
| Actuator Operating Method | SOLID STATE |
| Frequency Rating | 0.0 GIGAHERTZ MINIMUM AND 18.0 GIGAHERTZ MAXIMUM SINGLE FREQUENCY OPERATING |
| Rf Power Handling Capability | 5.0 KILOWATTS PEAK SECOND |
| Rf Power Handling Capability | 10.0 WATTS AVERAGE FIRST |
| Material | METAL BODY |
| Terminal Type and Quantity | 2 TURRET AND 3 RECEPTACLE, COAXIAL |
| Switch Operation Sequence | BREAKS BEFORE MAKES |
| Coaxial Connector Series Designation | SMA |
| Throw Quantity | 2 |
| 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 |
|---|---|
| 8761B-556 PRIMARY | Keysight Technologies Inc (USA) |
| Reference | Meaning |
|---|---|
| C4632-42B | 5/2 Secondary reference U.S. Government activity |
| 8761B-556 | 3/9 Design control — primary reference Keysight Technologies, Inc. |
| 8761B556 | 5/9 Secondary reference Hewlett-Packard Company Dba HP |
NSN 5985-01-134-8108 is a Switch,radio Frequency Transmiss, manufactured by Keysight Technologies Inc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-134-8108 has 1 manufacturer part number on file: 8761B-556 (Keysight Technologies Inc).
Key specifications for 8761B-556: Switching Time: 20.0 MILLISECONDS MS; Mounting Facility Type and Quantity: 2 THREADED HOLE(S); Overall Height: 1.500 INCHES NOMINAL IN; Body Style: RECTANGULAR. 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.