PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

443378-1Coupler,directional

Raytheon Company Dba Raytheon Co · NSN 5985-00-323-1077 · FSC 5985 · No Item Name Available
Verified by PartsTable
NSN 5985-00-323-1077 — this item is cataloged by the U.S. Government under National Stock Number 5985-00-323-1077. Primary manufacturer part number: 443378-1.
Features
  • Coupler,directional — FSC 5985
  • Terminal Fitting Controlling Agency: RAYTHEON COMPANY
  • Unit Type: COAXIAL LINE
  • Identifying Number: TERMINAL FITTING PART NO. 373414-1
  • 4 verified cross-references
  • Primary manufacturer: Raytheon Company Dba Raytheon Co
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Coupler,directional, cataloged under National Stock Number 5985-00-323-1077, 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 Raytheon Company Dba Raytheon Co. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5985-00-323-1077
Primary Part Number443378-1
Item NameCoupler,directional
FSC / FSG5985 / 59 — No Item Name Available
ManufacturerRaytheon Company Dba Raytheon Co
StatusACTIVE
Terminal Fitting Controlling AgencyRAYTHEON COMPANY
Unit TypeCOAXIAL LINE
Identifying NumberTERMINAL FITTING PART NO. 373414-1
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
4910-00-078-43295963 INTERCHANGEABLE
Kit,regulator Servi
Jaidinger Manufacturing Co Inc Dba Jaidinger Manufacturing Co Inc
5960-00-254-1740 INTERCHANGEABLE
Electron Tube
3030-00-264-3044TR28483 INTERCHANGEABLE
Belt,v
Gates Corporation
2805-00-364-6814 INTERCHANGEABLE
Camshaft
5330-00-511-7025 INTERCHANGEABLE
Gasket
2530-00-525-4364596-3 INTERCHANGEABLE
Deflector,dirt and Liquid
Ottawa Truck Inc Div Cargotec Solutions Llc - Kalmar Americas Region
5960-00-669-6838 INTERCHANGEABLE
Electron Tube
5305-00-724-7264AES01C625D50AW9A91 INTERCHANGEABLE
Screw,cap,hexagon Head
The American Society of Mechanical Engineers
5950-00-823-997677C709284P001 INTERCHANGEABLE
Transformer,power
Lockheed Martin Corporation Div Rms
5999-01-351-5599G225005-1 INTERCHANGEABLE
Heat Sink,electrical-Electronic
Raytheon Company Dba Raytheon Co
Cross-Reference Index
Part NumberManufacturer
443378-1 Raytheon Company (USA)
5963 Microwave Filter Co Inc (USA)
443378-1 PRIMARY Raytheon Company Dba Raytheon Co (USA)
443378-1 Raytheon Company Div Corp (USA)
Related Parts
4910-00-078-4329INTERCHANGEABLE
KIT,REGULATOR SERVI
5963
5960-00-254-1740INTERCHANGEABLE
ELECTRON TUBE
3030-00-264-3044INTERCHANGEABLE
BELT,V
TR28483
2805-00-364-6814INTERCHANGEABLE
CAMSHAFT
5330-00-511-7025INTERCHANGEABLE
GASKET
2530-00-525-4364INTERCHANGEABLE
DEFLECTOR,DIRT AND LIQUID
596-3
5960-00-669-6838INTERCHANGEABLE
ELECTRON TUBE
5305-00-724-7264INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
AES01C625D50AW9A91
5950-00-823-9976INTERCHANGEABLE
TRANSFORMER,POWER
77C709284P001
5999-01-351-5599INTERCHANGEABLE
HEAT SINK,ELECTRICAL-ELECTRONIC
G225005-1
6210-01-438-6608INTERCHANGEABLE
FIXTURE,LIGHTING
5963

Frequently Asked Questions

What is NSN 5985-00-323-1077?

NSN 5985-00-323-1077 is a Coupler,directional, manufactured by Raytheon Company Dba Raytheon Co, classified under FSC 5985 (No Item Name Available). Status: active.

What are the part numbers for NSN 5985-00-323-1077?

NSN 5985-00-323-1077 has 4 cross-referenced part numbers: 443378-1 (Raytheon Company), 5963 (Microwave Filter Co Inc), 443378-1 (Raytheon Company Dba Raytheon Co), 443378-1 (Raytheon Company Div Corp).

What NSN replaces 5985-00-323-1077?

There are 11 known substitutes for 5985-00-323-1077: 4910-00-078-4329, 5960-00-254-1740, 3030-00-264-3044 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 443378-1?

Key specifications for 443378-1: Overall Width: 1.937 INCHES NOMINAL IN; Terminal Fitting Controlling Agency: RAYTHEON COMPANY; Unit Type: COAXIAL LINE; Identifying Number: TERMINAL FITTING PART NO. 373414-1. 6 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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