The Switch,radio Frequency Transmiss, cataloged under National Stock Number 5985-01-381-2520, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5985-01-381-2520 |
| Item Name | Switch,radio Frequency Transmiss |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Status | ACTIVE |
| Switching Time | 20.0 MILLISECONDS MS |
| Mounting Facility Type and Quantity | 3 UNTHREADED HOLE(S) |
| Mounting Facility Pattern | ISOSCELES TRIANGLE SINGLE MOUNTING FACILITY PATTERN |
| Unthreaded Mounting Hole Diameter | 0.149 INCHES NOMINAL IN |
| Longest Vertical Distance Between Mounting Centers | 1.780 INCHES NOMINAL SINGLE MOUNTING FACILITY PATTERN IN |
| Connector End Design | FEMALE |
| Coupling Position Quantity | 4 |
| Switch Type | TRANSFER |
| Test Data Document | 81349-MIL-DTL-3928 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
| Terminal Type and Quantity | 2 PIN |
| Longest Horizontal Distance Between Mounting Centers | 1.090 INCHES NOMINAL SINGLE MOUNTING FACILITY PATTERN IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| M3928/19-02S | 2/2 Government specification standardization U.S. Government activity |
| MIL-S-3928/19 | 5/9 Secondary reference U.S. Government activity |
| MIL-DTL-3928/19 | 4/1 Identification reference U.S. Government activity |
NSN 5985-01-381-2520 is a Switch,radio Frequency Transmiss, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
Key specifications for 5985-01-381-2520: Switching Time: 20.0 MILLISECONDS MS; Mounting Facility Type and Quantity: 3 UNTHREADED HOLE(S); Mounting Facility Pattern: ISOSCELES TRIANGLE SINGLE MOUNTING FACILITY PATTERN; Unthreaded Mounting Hole Diameter: 0.149 INCHES NOMINAL IN. 11 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.