PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SW20BNCSwitch,radio Frequency Transmiss

Trilithic, Inc. · NSN 5985-00-239-6119 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-239-6119 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-239-6119. Primary manufacturer part number: SW20BNC.
Features
  • Switch,radio Frequency Transmiss — FSC 5985
  • Minimum Crosstalk Rating in Decibels: 80.0 SINGLE
  • Frequency Rating: 0.0 GIGAHERTZ MINIMUM AND 2.0 GIGAHERTZ MAXIMUM SINGLE FREQUENCY VOLTAGE STANDING WAVE RATIO
  • Mounting Facility Type and Quantity: 2 THREADED HOLE(S)
  • Frequency Rating: 0.0 GIGAHERTZ MINIMUM AND 2.0 GIGAHERTZ MAXIMUM SINGLE FREQUENCY RF POWER HANDLING
  • Insertion Loss in Decibels: 0.10 SINGLE
  • Rf Power Handling Capability: 100.0 WATTS AVERAGE SINGLE
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) MOUNTING FACILITY HOLE
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
  • Applications requiring Aluminum Body construction
General Description

The Switch,radio Frequency Transmiss, cataloged under National Stock Number 5985-00-239-6119, is classified within Federal Supply Class 5985 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Trilithic, Inc.. Government technical data includes 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-00-239-6119
Primary Part NumberSW20BNC
Item NameSwitch,radio Frequency Transmiss
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerTrilithic, Inc.
StatusACTIVE
Minimum Crosstalk Rating in Decibels80.0 SINGLE
Frequency Rating0.0 GIGAHERTZ MINIMUM AND 2.0 GIGAHERTZ MAXIMUM SINGLE FREQUENCY VOLTAGE STANDING WAVE RATIO
Mounting Facility Type and Quantity2 THREADED HOLE(S)
Frequency Rating0.0 GIGAHERTZ MINIMUM AND 2.0 GIGAHERTZ MAXIMUM SINGLE FREQUENCY RF POWER HANDLING
Insertion Loss in Decibels0.10 SINGLE
Rf Power Handling Capability100.0 WATTS AVERAGE SINGLE
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) MOUNTING FACILITY HOLE
Terminal Type and Quantity6 RECEPTACLE, COAXIAL
Frequency Rating0.0 GIGAHERTZ MINIMUM AND 2.0 GIGAHERTZ MAXIMUM SINGLE FREQUENCY OPERATING
MaterialALUMINUM BODY
Overall Diameter2.531 INCHES NOMINAL IN
Switch TypeNONTRANSFER
Pole Quantity2
Coaxial Connector Series DesignationBNC
Frequency Rating0.0 GIGAHERTZ MINIMUM AND 2.0 GIGAHERTZ MAXIMUM SINGLE FREQUENCY CROSSTALK REFERENCE
Mounting Facility PatternTWO POSITION IN-LINE SINGLE MOUNTING FACILITY PATTERN
Voltage Standing Wave Ratio1.30 SINGLE
Nominal Thread Size0.164 INCHES MOUNTING FACILITY HOLE IN
Coupling Position Quantity6
Surface TreatmentANODIZE BODY OUTSIDE SURFACES
Precious Material and LocationCONNECTOR SURFACES SILVER
Throw Quantity2
Frequency Rating0.0 GIGAHERTZ MINIMUM AND 2.0 GIGAHERTZ MAXIMUM SINGLE FREQUENCY INSERTION LOSS REFERENCE
Distance Between Mounting Facility Centers1.125 INCHES NOMINAL SINGLE MOUNTING FACILITY PATTERN IN
Connector End DesignFEMALE
Switch Operation SequenceBREAKS BEFORE MAKES
Precious MaterialSILVER
Body StyleIRREGULAR
Actuator Operating MethodMANUAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5305-00-253-5615MS21318-21 INTERCHANGEABLE
Screw,drive
National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use
5920-01-603-8372192413 INTERCHANGEABLE
Fuse,cartridge
Us Tech Inc Dba Us Tech Inc
Cross-Reference Index
Part NumberManufacturer
SW20BNC Trilithic, Inc. (USA)
192-413 Cmc Electronics Inc (CAN)
SA-1657/U Joint Electronics Type Designation System (USA)
118857-001 L3harris Technologies, Inc. (USA)
Related Parts
5305-00-253-5615INTERCHANGEABLE
SCREW,DRIVE
MS21318-21
5920-01-603-8372INTERCHANGEABLE
FUSE,CARTRIDGE
192413

Frequently Asked Questions

What is NSN 5985-00-239-6119?

NSN 5985-00-239-6119 is a Switch,radio Frequency Transmiss, manufactured by Trilithic, Inc., classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-00-239-6119?

NSN 5985-00-239-6119 has 4 cross-referenced part numbers: SW20BNC (Trilithic, Inc.), 192-413 (Cmc Electronics Inc), SA-1657/U (Joint Electronics Type Designation System), 118857-001 (L3harris Technologies, Inc.).

What NSN replaces 5985-00-239-6119?

There are 2 known substitutes for 5985-00-239-6119: 5305-00-253-5615, 5920-01-603-8372. Verify interchangeability with system specifications before substitution.

What are the specifications of SW20BNC?

Key specifications for SW20BNC: Minimum Crosstalk Rating in Decibels: 80.0 SINGLE; Frequency Rating: 0.0 GIGAHERTZ MINIMUM AND 2.0 GIGAHERTZ MAXIMUM SINGLE FREQUENCY VOLTAGE STANDING WAVE RATIO; Mounting Facility Type and Quantity: 2 THREADED HOLE(S); Frequency Rating: 0.0 GIGAHERTZ MINIMUM AND 2.0 GIGAHERTZ MAXIMUM SINGLE FREQUENCY RF POWER HANDLING. 30 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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