PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4065Coupler,transmission Line

Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq · NSN 5985-00-261-7753 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-261-7753 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-261-7753. Primary manufacturer part number: 4065.
Features
  • Coupler,transmission Line — FSC 5985
  • Unit Type: TRANSMISSION LINE
  • Mounting Configuration: TWO 0.104 IN. DIA THRU HOLES IN
  • Material: STEEL CORROSION RESISTING
  • Radio Frequency Rating: 7.5 GIGAHERTZ MINIMUM AND 16.0 GIGAHERTZ MAXIMUM
  • Input Impedance Rating in Ohms: 50.0
  • Output Impedance Rating in Ohms: 50.0
  • 2 verified cross-references
Applications
  • Applications requiring Steel Corrosion Resisting construction
General Description

The Coupler,transmission Line, cataloged under National Stock Number 5985-00-261-7753, 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 Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq. Government technical data includes 6 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-00-261-7753
Primary Part Number4065
Item NameCoupler,transmission Line
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerNarda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq
StatusACTIVE
Unit TypeTRANSMISSION LINE
Mounting ConfigurationTWO 0.104 IN. DIA THRU HOLES IN
MaterialSTEEL CORROSION RESISTING
Radio Frequency Rating7.5 GIGAHERTZ MINIMUM AND 16.0 GIGAHERTZ MAXIMUM
Input Impedance Rating in Ohms50.0
Output Impedance Rating in Ohms50.0
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6645-00-225-26864065 INTERCHANGEABLE
Hammer,clock
Wakmann Watch Company Inc
9540-00-261-5099 INTERCHANGEABLE
Angle,structural
4940-00-391-4627 INTERCHANGEABLE
Shaft and Casing
5950-00-461-81444065 INTERCHANGEABLE
Transformer,pulse
Sartron, Inc
2805-00-793-2357966P INTERCHANGEABLE
Piston,internal Combustion Engin
Federal-Mogul Corp Government Sales Dept
5330-00-795-4090BA1531 INTERCHANGEABLE
Gasket
Stillman Seal Corporation Div Stillman Seal Corperation
5355-00-903-4034 INTERCHANGEABLE
Pointer,dial
6625-01-012-9083 INTERCHANGEABLE
Lead,test
5962-01-097-32254065 INTERCHANGEABLE
Microcircuit
Data Device Corp Dba Beta Transformer Technology
5340-01-309-76700N365090-1 INTERCHANGEABLE
Bumper
National Security Agency
Cross-Reference Index
Part NumberManufacturer
4065 PRIMARY Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq (USA)
2137306G001 L3harris Technologies, Inc. (USA)
Related Parts
6645-00-225-2686INTERCHANGEABLE
HAMMER,CLOCK
4065
9540-00-261-5099INTERCHANGEABLE
ANGLE,STRUCTURAL
4940-00-391-4627INTERCHANGEABLE
SHAFT AND CASING
5950-00-461-8144INTERCHANGEABLE
TRANSFORMER,PULSE
4065
2805-00-793-2357INTERCHANGEABLE
PISTON,INTERNAL COMBUSTION ENGIN
966P
5330-00-795-4090INTERCHANGEABLE
GASKET
BA1531
5355-00-903-4034INTERCHANGEABLE
POINTER,DIAL
6625-01-012-9083INTERCHANGEABLE
LEAD,TEST
5962-01-097-3225INTERCHANGEABLE
MICROCIRCUIT
4065
5340-01-309-7670INTERCHANGEABLE
BUMPER
0N365090-1
4820-01-340-0282INTERCHANGEABLE
VALVE,ANGLE
4065-B
6515-01-370-1534INTERCHANGEABLE
HOLDER,SURGICAL TUBE,UTILITY
4065

Frequently Asked Questions

What is NSN 5985-00-261-7753?

NSN 5985-00-261-7753 is a Coupler,transmission Line, manufactured by Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-00-261-7753?

NSN 5985-00-261-7753 has 2 cross-referenced part numbers: 4065 (Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq), 2137306G001 (L3harris Technologies, Inc.).

What NSN replaces 5985-00-261-7753?

There are 12 known substitutes for 5985-00-261-7753: 6645-00-225-2686, 9540-00-261-5099, 4940-00-391-4627 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4065?

Key specifications for 4065: Unit Type: TRANSMISSION LINE; Mounting Configuration: TWO 0.104 IN. DIA THRU HOLES IN; Material: STEEL CORROSION RESISTING; Overall Length: 1.000 INCHES NOMINAL IN. 9 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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