PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

674-3Coupler,directional

Waveline Inc · NSN 5985-00-822-8671 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-822-8671 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-822-8671. Primary manufacturer part number: 674-3.
Features
  • Coupler,directional — FSC 5985
  • FSC Application Data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
  • Power Loss in Decibels: 3.0
  • Terminal Fitting Controlling Agency: DEPARTMENT OF DEFENSE
  • Identifying Number: TERMINAL FITTING TYPE NO. UG-39/U
  • Radio Frequency Rating: 8.2 GIGAHERTZ MINIMUM AND 12.4 GIGAHERTZ MAXIMUM
  • Design Type: BIDIRECTIONAL
  • Unit Type: WAVEGUIDE
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Coupler,directional, cataloged under National Stock Number 5985-00-822-8671, 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 Waveline Inc. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-00-822-8671
Primary Part Number674-3
Item NameCoupler,directional
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerWaveline Inc
StatusACTIVE
FSC Application DataANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT
Power Loss in Decibels3.0
Terminal Fitting Controlling AgencyDEPARTMENT OF DEFENSE
Identifying NumberTERMINAL FITTING TYPE NO. UG-39/U
Radio Frequency Rating8.2 GIGAHERTZ MINIMUM AND 12.4 GIGAHERTZ MAXIMUM
Design TypeBIDIRECTIONAL
Unit TypeWAVEGUIDE
Usage DesignMAIN LINE AND SECONDARY LINE TERMINAL FITTING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5815-00-126-41946743 INTERCHANGEABLE
Lever
Telemechanics Inc
1660-00-332-54866743 INTERCHANGEABLE
Plate,baffle
Avox Systems Inc Dba Avox Systems Inc
3825-00-382-9001 INTERCHANGEABLE
Distributor,water,tank Type
5998-00-488-0739 INTERCHANGEABLE
Circuit Card Assembly
5840-00-674-0469 INTERCHANGEABLE
Tuner
5950-00-833-9448712099-111 INTERCHANGEABLE
Coil,radio Frequency
Raytheon Company Div Rmd Strategic
5310-00-899-6169940-219-001-108 INTERCHANGEABLE
Washer,lock
Roanwell, Llc
5905-01-020-9326752-6601 INTERCHANGEABLE
Resistor,variable,wire Wound,non
Servo Instrument Corporation
3530-01-176-92606553 INTERCHANGEABLE
Needle,sewing Machine
Sears, Roebuck and Co. Dba Sears Div Sears Commercial
5955-01-245-46976743 INTERCHANGEABLE
Crystal Unit,quartz
Microsemi Corp. - High Performance Timing Dba Vectron International- Cancelled
Cross-Reference Index
Part NumberManufacturer
674-3 PRIMARY Waveline Inc (USA)
Related Parts
5815-00-126-4194INTERCHANGEABLE
LEVER
6743
1660-00-332-5486INTERCHANGEABLE
PLATE,BAFFLE
6743
3825-00-382-9001INTERCHANGEABLE
DISTRIBUTOR,WATER,TANK TYPE
5998-00-488-0739INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
5840-00-674-0469INTERCHANGEABLE
TUNER
5950-00-833-9448INTERCHANGEABLE
COIL,RADIO FREQUENCY
712099-111
5310-00-899-6169INTERCHANGEABLE
WASHER,LOCK
940-219-001-108
5905-01-020-9326INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
752-6601
3530-01-176-9260INTERCHANGEABLE
NEEDLE,SEWING MACHINE
6553
5955-01-245-4697INTERCHANGEABLE
CRYSTAL UNIT,QUARTZ
6743

Frequently Asked Questions

What is NSN 5985-00-822-8671?

NSN 5985-00-822-8671 is a Coupler,directional, manufactured by Waveline Inc, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-00-822-8671?

NSN 5985-00-822-8671 has 1 cross-referenced part number: 674-3 (Waveline Inc).

What NSN replaces 5985-00-822-8671?

There are 10 known substitutes for 5985-00-822-8671: 5815-00-126-4194, 1660-00-332-5486, 3825-00-382-9001 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 674-3?

Key specifications for 674-3: FSC Application Data: ANTENNAS,WAVEGUIDES,AND RELATED EQUIPMENT; Power Loss in Decibels: 3.0; Terminal Fitting Controlling Agency: DEPARTMENT OF DEFENSE; Identifying Number: TERMINAL FITTING TYPE NO. UG-39/U. 11 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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