PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

14300Switch,radio Frequency Transmiss

Dow-Key Microwave Llc · NSN 5985-00-938-4980 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-938-4980 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-938-4980. Primary manufacturer part number: 14300.
Features
  • Switch,radio Frequency Transmiss — FSC 5985
  • Pole Quantity: 1
  • Switch Return Mechanism Type: FAIL-SAFE
  • Terminal Type and Quantity: 5 RECEPTACLE, COAXIAL AND 8 SCREW
  • Body Style: IRREGULAR
  • Throw Quantity: 4
  • Actuator Voltage in Volts: 28.0 NOMINAL
  • Switching Time: 20.0 MILLISECONDS MS
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,radio Frequency Transmiss, cataloged under National Stock Number 5985-00-938-4980, 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 Dow-Key Microwave Llc. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-00-938-4980
Primary Part Number14300
Item NameSwitch,radio Frequency Transmiss
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerDow-Key Microwave Llc
StatusACTIVE
Pole Quantity1
Switch Return Mechanism TypeFAIL-SAFE
Terminal Type and Quantity5 RECEPTACLE, COAXIAL AND 8 SCREW
Body StyleIRREGULAR
Throw Quantity4
Actuator Voltage in Volts28.0 NOMINAL
Switching Time20.0 MILLISECONDS MS
Coaxial Connector Series DesignationN
Switch Operation SequenceMAKES BEFORE BREAKS
Connector End DesignFEMALE
Operating Temp Range-65.0 TO 185.0 FAHRENHEIT DEGF
Rf Maximum Voltage Rating500.0 VOLTS RMS
Switch TypeNONTRANSFER
Coupling Position Quantity5
Actuator Current Type and Rating in Amps23.0 DC NOMINAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5330-00-146-282414300 INTERCHANGEABLE
Packing,preformed
Parker Hannifin Corporation Dba Pneutronics Div Cylinder Division
3040-00-590-920872909 INTERCHANGEABLE
Piston,linear Actuating Cylinder
Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator
9540-00-640-4226 INTERCHANGEABLE
Beam,structural
4730-00-774-810814300 INTERCHANGEABLE
Restrictor,fluid Flow
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
6640-00-866-142714300 INTERCHANGEABLE
Paper,filter
Schleicher & Schuell Bioscience, Inc
5360-01-080-2013 INTERCHANGEABLE
Spring,helical,compression
5945-01-123-6119 INTERCHANGEABLE
Relay Assembly
6680-01-206-6482 INTERCHANGEABLE
Indicator,rate of Flow
5985-01-246-335914300 INTERCHANGEABLE
Coupler,directional
Marc Alan Group the, Inc
5307-01-320-996514300 INTERCHANGEABLE
Stud,shouldered and Stepped
Aerosonic Llc
Cross-Reference Index
Part NumberManufacturer
14000 K&l Microwave Llc (USA)
14000 Fisica Applied Technologies, Inc. Div Datron Advanced Technologies (USA)
14000 Dow-Key Microwave Llc (USA)
14300 Fisica Applied Technologies, Inc. Div Datron Advanced Technologies (USA)
14300 PRIMARY Dow-Key Microwave Llc (USA)
14300 K&l Microwave Llc (USA)
Related Parts
5330-00-146-2824INTERCHANGEABLE
PACKING,PREFORMED
14300
3040-00-590-9208INTERCHANGEABLE
PISTON,LINEAR ACTUATING CYLINDER
72909
9540-00-640-4226INTERCHANGEABLE
BEAM,STRUCTURAL
4730-00-774-8108INTERCHANGEABLE
RESTRICTOR,FLUID FLOW
14300
6640-00-866-1427INTERCHANGEABLE
PAPER,FILTER
14300
5360-01-080-2013INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
5945-01-123-6119INTERCHANGEABLE
RELAY ASSEMBLY
6680-01-206-6482INTERCHANGEABLE
INDICATOR,RATE OF FLOW
5985-01-246-3359INTERCHANGEABLE
COUPLER,DIRECTIONAL
14300
5307-01-320-9965INTERCHANGEABLE
STUD,SHOULDERED AND STEPPED
14300
6760-01-347-0453INTERCHANGEABLE
LENS,CAMERA,GENERAL PHOTOGRAPHIC
8040-01-498-8181INTERCHANGEABLE
ADHESIVE
8040-01-498-8181

Frequently Asked Questions

What is NSN 5985-00-938-4980?

NSN 5985-00-938-4980 is a Switch,radio Frequency Transmiss, manufactured by Dow-Key Microwave Llc, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-00-938-4980?

NSN 5985-00-938-4980 has 6 cross-referenced part numbers: 14000 (K&l Microwave Llc), 14000 (Fisica Applied Technologies, Inc. Div Datron Advanced Technologies), 14000 (Dow-Key Microwave Llc), 14300 (Fisica Applied Technologies, Inc. Div Datron Advanced Technologies), 14300 (Dow-Key Microwave Llc) and 1 more.

What NSN replaces 5985-00-938-4980?

There are 12 known substitutes for 5985-00-938-4980: 5330-00-146-2824, 3040-00-590-9208, 9540-00-640-4226 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 14300?

Key specifications for 14300: Pole Quantity: 1; Switch Return Mechanism Type: FAIL-SAFE; Terminal Type and Quantity: 5 RECEPTACLE, COAXIAL AND 8 SCREW; Body Style: IRREGULAR. 18 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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