PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

25645Coupler,antenna

Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq · NSN 5985-01-111-8742 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-01-111-8742 — this item is cataloged by the U.S. Government under National Stock Number 5985-01-111-8742. Primary manufacturer part number: 25645.
Features
  • Coupler,antenna — FSC 5985
  • Mounting Configuration: TWO 0.125 IN. DIA MTG HOLES ON 0.225 IN. LG BY 0.578 IN. W CENTERS IN
  • Material: ALUMINUM BODY
  • Tuning Type: FIXED
  • Terminal Type: COAXIAL
  • Terminal Quantity: 4
  • Radio Frequency Rating: 16.0 GIGAHERTZ MINIMUM AND 21.0 GIGAHERTZ MAXIMUM
  • 2 verified cross-references
Applications
  • Applications requiring Aluminum Body construction
General Description

The Coupler,antenna, cataloged under National Stock Number 5985-01-111-8742, 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-01-111-8742
Primary Part Number25645
Item NameCoupler,antenna
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerNarda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq
StatusACTIVE
Mounting ConfigurationTWO 0.125 IN. DIA MTG HOLES ON 0.225 IN. LG BY 0.578 IN. W CENTERS IN
MaterialALUMINUM BODY
Tuning TypeFIXED
Terminal TypeCOAXIAL
Terminal Quantity4
Radio Frequency Rating16.0 GIGAHERTZ MINIMUM AND 21.0 GIGAHERTZ MAXIMUM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5133-00-236-3405 INTERCHANGEABLE
Drill,twist
4820-00-627-982825645 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Tyco Fire Products Lp
5950-00-645-39272564-5 INTERCHANGEABLE
Coil,radio Frequency
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple
5365-01-429-9378 INTERCHANGEABLE
Spacer,ring
5120-01-430-8481 INTERCHANGEABLE
Punch,prick
4610-01-717-549825645 INTERCHANGEABLE
Feeder,chemical Solution,water P
Pentair Filtration Solutions, Llc
Cross-Reference Index
Part NumberManufacturer
25645 PRIMARY Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq (USA)
20-1216644-5 General Dynamics Advanced Information Systems Inc. Dba General Dynamics Advanced Information Systems (USA)
Related Parts
5133-00-236-3405INTERCHANGEABLE
DRILL,TWIST
4820-00-627-9828INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
25645
5950-00-645-3927INTERCHANGEABLE
COIL,RADIO FREQUENCY
2564-5
5365-01-429-9378INTERCHANGEABLE
SPACER,RING
5120-01-430-8481INTERCHANGEABLE
PUNCH,PRICK
4610-01-717-5498INTERCHANGEABLE
FEEDER,CHEMICAL SOLUTION,WATER P
25645

Frequently Asked Questions

What is NSN 5985-01-111-8742?

NSN 5985-01-111-8742 is a Coupler,antenna, 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 5985-01-111-8742?

NSN 5985-01-111-8742 has 2 cross-referenced part numbers: 25645 (Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq), 20-1216644-5 (General Dynamics Advanced Information Systems Inc. Dba General Dynamics Advanced Information Systems).

What NSN replaces 5985-01-111-8742?

There are 6 known substitutes for 5985-01-111-8742: 5133-00-236-3405, 4820-00-627-9828, 5950-00-645-3927 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 25645?

Key specifications for 25645: Overall Length: 2.200 INCHES NOMINAL IN; Mounting Configuration: TWO 0.125 IN. DIA MTG HOLES ON 0.225 IN. LG BY 0.578 IN. W CENTERS IN; Material: ALUMINUM BODY; Tuning Type: FIXED. 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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