PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2898679-6Coupler,directional

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 5985-01-276-2707 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-01-276-2707 — this item is cataloged by the U.S. Government under National Stock Number 5985-01-276-2707. Primary manufacturer part number: 2898679-6.
Features
  • Coupler,directional — FSC 5985
  • Design Type: BIDIRECTIONAL
  • FSC Application Data: COMMUNICATIONS EQUIPMENT
  • Power Loss in Decibels: 10.0
  • Radio Frequency Rating: 3.1 GIGAHERTZ MINIMUM AND 3.5 GIGAHERTZ MAXIMUM
  • Unit Type: COAXIAL LINE
  • Usage Design: MAIN LINE AND SECONDARY LINE TERMINAL FITTING
  • 4 verified cross-references
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Coupler,directional, cataloged under National Stock Number 5985-01-276-2707, 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 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-01-276-2707
Primary Part Number2898679-6
Item NameCoupler,directional
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Design TypeBIDIRECTIONAL
FSC Application DataCOMMUNICATIONS EQUIPMENT
Power Loss in Decibels10.0
Radio Frequency Rating3.1 GIGAHERTZ MINIMUM AND 3.5 GIGAHERTZ MAXIMUM
Unit TypeCOAXIAL LINE
Usage DesignMAIN LINE AND SECONDARY LINE TERMINAL FITTING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5305-00-639-695923403 INTERCHANGEABLE
Screw,machine
Briggs and Stratton Corp
4820-00-647-2328146-00318-1 INTERCHANGEABLE
Seat,valve
Grove Valve Operations
3455-00-971-890817614 INTERCHANGEABLE
Cutter,milling,end
New York Twist Drill Inc
5998-01-137-099423403 INTERCHANGEABLE
Circuit Card Assembly
Smiths Aerospace, Inc., Electronic Systems-Grand Rapids
4820-01-204-524511889NPC22 INTERCHANGEABLE
Seat,valve
Classic Mfg
4720-01-268-7399 INTERCHANGEABLE
Tubing Assembly,nonmetallic
4940-01-451-939134015-01 INTERCHANGEABLE
Enclosure,electromagnetic Shield
Electronic Marine Systems, Inc.
4820-01-517-3083 INTERCHANGEABLE
Valve,check
5340-01-699-620223-403 INTERCHANGEABLE
Cover,access
DC Fabricators Inc
Cross-Reference Index
Part NumberManufacturer
C2MT-10-3.3G/64777 Merrimac Industries, Inc (USA)
2898679-6 Merrimac Industries, Inc (USA)
2898679-6 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
23403 Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq (USA)
Related Parts
5305-00-639-6959INTERCHANGEABLE
SCREW,MACHINE
23403
4820-00-647-2328INTERCHANGEABLE
SEAT,VALVE
146-00318-1
3455-00-971-8908INTERCHANGEABLE
CUTTER,MILLING,END
17614
5998-01-137-0994INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
23403
4820-01-204-5245INTERCHANGEABLE
SEAT,VALVE
11889NPC22
4720-01-268-7399INTERCHANGEABLE
TUBING ASSEMBLY,NONMETALLIC
4940-01-451-9391INTERCHANGEABLE
ENCLOSURE,ELECTROMAGNETIC SHIELD
34015-01
4820-01-517-3083INTERCHANGEABLE
VALVE,CHECK
5340-01-699-6202INTERCHANGEABLE
COVER,ACCESS
23-403

Frequently Asked Questions

What is NSN 5985-01-276-2707?

NSN 5985-01-276-2707 is a Coupler,directional, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-01-276-2707?

NSN 5985-01-276-2707 has 4 cross-referenced part numbers: C2MT-10-3.3G/64777 (Merrimac Industries, Inc), 2898679-6 (Merrimac Industries, Inc), 2898679-6 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 23403 (Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq).

What NSN replaces 5985-01-276-2707?

There are 9 known substitutes for 5985-01-276-2707: 5305-00-639-6959, 4820-00-647-2328, 3455-00-971-8908 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2898679-6?

Key specifications for 2898679-6: Design Type: BIDIRECTIONAL; FSC Application Data: COMMUNICATIONS EQUIPMENT; Overall Width: 1.290 INCHES MAXIMUM IN; Power Loss in Decibels: 10.0. 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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