The Switch,radio Frequency Transmiss, cataloged under National Stock Number 5985-00-401-2883, 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27 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-401-2883 |
| Item Name | Switch,radio Frequency Transmiss |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 2 THREADED HOLE(S) |
| Body Style | RECTANGULAR |
| Mounting Facility Pattern | TWO POSITION IN-LINE SINGLE MOUNTING FACILITY PATTERN |
| Voltage Standing Wave Ratio | 1.30 SINGLE |
| Pole Quantity | 2 |
| Connector End Design | FEMALE |
| Distance Between Mounting Facility Centers | 1.187 INCHES NOMINAL SINGLE MOUNTING FACILITY PATTERN IN |
| Coupling Position Quantity | 7 |
| Nominal Thread Size | 0.190 INCHES MOUNTING FACILITY HOLE IN |
| Minimum Crosstalk Rating in Decibels | 50.0 SINGLE |
| Switch Type | NONTRANSFER |
| Insertion Loss in Decibels | 0.31 SINGLE |
| Actuator Operating Method | RELAY |
| Operating Temp Range | -55.0 TO 85.0 CELSIUS DEGC |
| Frequency Rating | 0.0 GIGAHERTZ MINIMUM AND 10.0 GIGAHERTZ MAXIMUM SINGLE FREQUENCY CROSSTALK REFERENCE |
| Frequency Rating | 0.0 GIGAHERTZ MINIMUM AND 10.0 GIGAHERTZ MAXIMUM SINGLE FREQUENCY INSERTION LOSS REFERENCE |
| Frequency Rating | 0.0 GIGAHERTZ MINIMUM AND 10.0 GIGAHERTZ MAXIMUM SINGLE FREQUENCY OPERATING |
| Frequency Rating | 0.0 GIGAHERTZ MINIMUM AND 10.0 GIGAHERTZ MAXIMUM SINGLE FREQUENCY RF POWER HANDLING |
| Frequency Rating | 0.0 GIGAHERTZ MINIMUM AND 10.0 GIGAHERTZ MAXIMUM SINGLE FREQUENCY VOLTAGE STANDING WAVE RATIO |
| Rf Power Handling Capability | 100.0 WATTS AVERAGE SINGLE |
| Thread Class | 2B MOUNTING FACILITY HOLE |
| Test Data Document | 81349-MIL-S-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 | 6 RECEPTACLE, COAXIAL |
| Thread Series Designator | UNF MOUNTING FACILITY HOLE |
| Switch Operation Sequence | BREAKS BEFORE MAKES |
| Coaxial Connector Series Designation | N |
| 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 |
| Reference | Meaning |
|---|---|
| SA-1336/U | 5/1 Secondary reference U.S. Government activity |
| MIL-DTL-3928/9 | 4/1 Identification reference U.S. Government activity |
| M3928/9-04 | 5/9 Secondary reference U.S. Government activity |
| MIL-S-3928/9 | 5/9 Secondary reference U.S. Government activity |
| M3928/9-04N | 2/2 Government specification standardization U.S. Government activity |
NSN 5985-00-401-2883 is a Switch,radio Frequency Transmiss, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
3 possible matches (shared part number, not a government interchangeability claim): 5985-00-439-5691, 5985-01-097-3770, 5985-01-118-8462. Verify interchangeability with system specifications before substitution.
Key specifications for 5985-00-401-2883: Mounting Facility Type and Quantity: 2 THREADED HOLE(S); Overall Height: 3.250 INCHES NOMINAL IN; Body Style: RECTANGULAR; Mounting Facility Pattern: TWO POSITION IN-LINE SINGLE MOUNTING FACILITY PATTERN. 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.
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.