PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

611865Coupler,antenna

Northrop Grumman Systems Corporation · NSN 5985-00-544-5061 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-544-5061 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-544-5061. Primary manufacturer part number: 611865.
Features
  • Coupler,antenna — FSC 5985
  • Terminal Type: FLANGE
  • Tuning Type: VARIABLE
  • Radio Frequency Rating: 9335.0 MEGAHERTZ MINIMUM AND 9415.0 MEGAHERTZ MAXIMUM
  • FSC Application Data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
  • Terminal Quantity: 2
  • 2 verified cross-references
  • Primary manufacturer: Northrop Grumman Systems Corporation
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Coupler,antenna, cataloged under National Stock Number 5985-00-544-5061, 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 Northrop Grumman Systems Corporation. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-00-544-5061
Primary Part Number611865
Item NameCoupler,antenna
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation
StatusACTIVE
Terminal TypeFLANGE
Tuning TypeVARIABLE
Radio Frequency Rating9335.0 MEGAHERTZ MINIMUM AND 9415.0 MEGAHERTZ MAXIMUM
FSC Application DataANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
Terminal Quantity2
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
6350-00-214-0523 INTERCHANGEABLE
Horn,signal
Cross-Reference Index
Part NumberManufacturer
611865 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
611865 PRIMARY Northrop Grumman Systems Corporation (USA)
Related Parts
6350-00-214-0523INTERCHANGEABLE
HORN,SIGNAL

Frequently Asked Questions

What is NSN 5985-00-544-5061?

NSN 5985-00-544-5061 is a Coupler,antenna, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-00-544-5061?

NSN 5985-00-544-5061 has 2 cross-referenced part numbers: 611865 (Lockheed Martin Corporation Div Rms - Mitchel Field), 611865 (Northrop Grumman Systems Corporation).

What NSN replaces 5985-00-544-5061?

There is 1 known substitute for 5985-00-544-5061: 6350-00-214-0523. Verify interchangeability with system specifications before substitution.

What are the specifications of 611865?

Key specifications for 611865: Terminal Type: FLANGE; Tuning Type: VARIABLE; Radio Frequency Rating: 9335.0 MEGAHERTZ MINIMUM AND 9415.0 MEGAHERTZ MAXIMUM; End Item Identification: ANTENNA AS-652A/APN-59 A. 7 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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