PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2681140-1Coupler,transmission Line

Raytheon Company · NSN 5985-01-063-5903 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-01-063-5903 — this item is cataloged by the U.S. Government under National Stock Number 5985-01-063-5903. Primary manufacturer part number: 2681140-1.
Features
  • Coupler,transmission Line — FSC 5985
  • Mounting Configuration: THREE THREADED COUPLING NUTS
  • Unit Type: COAXIAL LINE
  • Precious Material: SILVER
  • FSC Application Data: ANTENNAS,WAVEGUIDES AND RELATED EQUIP.
  • Precious Material and Location: EXTERNAL SURFACES SILVER
  • Material: COPPER ALLOY 268 AND COPPER ALLOY AND PLASTIC TETRAFLUOROETHYLENE
  • Output Impedance Rating in Ohms: 50.0
Applications
  • Applications requiring Copper Alloy 268 and Copper Alloy and Plastic Tetrafluoroethylene construction
General Description

The Coupler,transmission Line, cataloged under National Stock Number 5985-01-063-5903, 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 Raytheon Company. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5985-01-063-5903
Primary Part Number2681140-1
Item NameCoupler,transmission Line
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerRaytheon Company
StatusCANCELLED
Mounting ConfigurationTHREE THREADED COUPLING NUTS
Unit TypeCOAXIAL LINE
Precious MaterialSILVER
FSC Application DataANTENNAS,WAVEGUIDES AND RELATED EQUIP.
Precious Material and LocationEXTERNAL SURFACES SILVER
MaterialCOPPER ALLOY 268 AND COPPER ALLOY AND PLASTIC TETRAFLUOROETHYLENE
Output Impedance Rating in Ohms50.0
Input Impedance Rating in Ohms50.0
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4730-00-132-0576 INTERCHANGEABLE
Nozzle,spray,fluid-Emulsion
5120-00-177-6874 INTERCHANGEABLE
Key,socket Head Screw
3030-00-529-0353227241 INTERCHANGEABLE
Belt,v
Manitowoc Engineering Co Division of the Manitowoc Co Inc
5935-00-701-221510689631 INTERCHANGEABLE
Adapter,connector
Us Army Aviation and Missile Command
4820-00-932-09581-2035 INTERCHANGEABLE
Valve,safety Relief
Frank Electric Corporation Dba Frank Electric Corporation
6625-00-976-9503 INTERCHANGEABLE
Switch,electronic
5998-01-038-0158 INTERCHANGEABLE
Circuit Card Assembly
5930-01-043-487512035 INTERCHANGEABLE
Switch,sensitive
Power Control Devices, Inc.
4820-01-117-2813700663936 INTERCHANGEABLE
Seat,valve
The Walworth Company
5950-01-214-0780677-0606-010 INTERCHANGEABLE
Transformer,audio Frequency
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
Cross-Reference Index
Part NumberManufacturer
2681140-1 Raytheon Company (USA)
2681140-1 Raytheon Company Dba Raytheon Co (USA)
3844 Winchester Interconnect Rf Corporation (USA)
120-3-5 Winchester Interconnect Corporation (USA)
2681140-1 Raytheon Company Div Corp (USA)
TRU-3844 Winchester Interconnect Rf Corporation (USA)
2681140-1 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
Related Parts
4730-00-132-0576INTERCHANGEABLE
NOZZLE,SPRAY,FLUID-EMULSION
5120-00-177-6874INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
3030-00-529-0353INTERCHANGEABLE
BELT,V
227241
5935-00-701-2215INTERCHANGEABLE
ADAPTER,CONNECTOR
10689631
4820-00-932-0958INTERCHANGEABLE
VALVE,SAFETY RELIEF
1-2035
6625-00-976-9503INTERCHANGEABLE
SWITCH,ELECTRONIC
5998-01-038-0158INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
5930-01-043-4875INTERCHANGEABLE
SWITCH,SENSITIVE
12035
4820-01-117-2813INTERCHANGEABLE
SEAT,VALVE
700663936
5950-01-214-0780INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
677-0606-010
5305-01-217-5899INTERCHANGEABLE
SCREW,MACHINE
6610-01-225-0415INTERCHANGEABLE
MECHANISM ASSEMBLY
3844

Frequently Asked Questions

What is NSN 5985-01-063-5903?

NSN 5985-01-063-5903 is a Coupler,transmission Line, manufactured by Raytheon Company, classified under FSC 5985 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5985-01-063-5903?

NSN 5985-01-063-5903 has 7 cross-referenced part numbers: 2681140-1 (Raytheon Company), 2681140-1 (Raytheon Company Dba Raytheon Co), 3844 (Winchester Interconnect Rf Corporation), 120-3-5 (Winchester Interconnect Corporation), 2681140-1 (Raytheon Company Div Corp) and 2 more.

What NSN replaces 5985-01-063-5903?

There are 12 known substitutes for 5985-01-063-5903: 4730-00-132-0576, 5120-00-177-6874, 3030-00-529-0353 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2681140-1?

Key specifications for 2681140-1: Mounting Configuration: THREE THREADED COUPLING NUTS; Unit Type: COAXIAL LINE; Special Features: DIODE SHALL BE TYPE JAN 1N914,MOUNTED WITH ANODE END NEAREST THE LONG END; 1500 VOLTS RMS AT SEA LEVEL; Precious Material: SILVER. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5985-01-063-5903 still in active supply?

NSN 5985-01-063-5903 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com