The Switch,radio Frequency Transmiss, cataloged under National Stock Number 5985-01-156-8839, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. Government technical data includes 27 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-156-8839 |
| Item Name | Switch,radio Frequency Transmiss |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Status | ACTIVE |
| Switching Time | 30.0 MILLISECONDS MS |
| Mounting Facility Type and Quantity | 4 UNTHREADED HOLE(S) |
| Body Style | RECTANGULAR |
| Precious Material | GOLD |
| Voltage Standing Wave Ratio | 1.20 FIRST |
| Voltage Standing Wave Ratio | 1.40 SECOND |
| Unthreaded Mounting Hole Diameter | 0.171 INCHES MINIMUM AND 0.177 INCHES MAXIMUM IN |
| Switch Return Mechanism Type | FAIL-SAFE |
| Connector End Design | FEMALE |
| Coupling Position Quantity | 5 |
| Minimum Crosstalk Rating in Decibels | 60.0 SINGLE |
| Switch Type | TRANSFER |
| Insertion Loss in Decibels | 0.40 SECOND |
| Insertion Loss in Decibels | 0.20 FIRST |
| Actuator Operating Method | SOLID STATE |
| Surface Treatment | NICKEL BODY OUTSIDE SURFACES |
| Surface Treatment | GOLD CONTACT(S) OUTSIDE SURFACES |
| Precious Material and Location | REEDS AND CENTER CONDUCTORS SURFACES GOLD |
| Operating Temp Range | +0.0 TO 50.0 CELSIUS DEGC |
| Frequency Rating | 0.0 GIGAHERTZ MINIMUM AND 12.4 GIGAHERTZ MAXIMUM SINGLE FREQUENCY RF POWER HANDLING |
| Frequency Rating | 0.0 GIGAHERTZ MINIMUM AND 6.2 GIGAHERTZ MAXIMUM FIRST FREQUENCY INSERTION LOSS REFERENCE |
| Frequency Rating | 0.0 GIGAHERTZ MINIMUM AND 6.2 GIGAHERTZ MAXIMUM FIRST FREQUENCY VOLTAGE STANDING WAVE RATIO |
| Frequency Rating | 6.2 GIGAHERTZ MINIMUM AND 12.4 GIGAHERTZ MAXIMUM SECOND FREQUENCY INSERTION LOSS REFERENCE |
| Frequency Rating | 6.2 GIGAHERTZ MINIMUM AND 12.4 GIGAHERTZ MAXIMUM SECOND FREQUENCY VOLTAGE STANDING WAVE RATIO |
| Rf Power Handling Capability | 10.0 WATTS AVERAGE SINGLE |
| Material | ALUMINUM BODY |
| Material | COPPER ALLOY CONTACT(S) |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 926245-1C | 3/2 Design control — primary reference U.S. Government activity |
| T2-425B2-LL | 5/9 Secondary reference Ducommun Labarge Technologies, Inc Dba Ducommun Labarge Technologies, Inc |
| TSF4E12-HAC | 5/9 Secondary reference Dbp Microwave Inc. Dba Dbp Microwave Inc. |
NSN 5985-01-156-8839 is a Switch,radio Frequency Transmiss, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
Key specifications for 5985-01-156-8839: Switching Time: 30.0 MILLISECONDS MS; Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S); Overall Height: 2.000 INCHES NOMINAL IN; Body Style: RECTANGULAR. 27 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.
NSN 5985-01-156-8839 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
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.