PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

66-20846-1Adapter Assembly

The Boeing Company Div Defense · NSN 4730-00-104-4379 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-00-104-4379 — this item is cataloged by the U.S. Government under National Stock Number 4730-00-104-4379. Primary manufacturer part number: 66-20846-1.
Features
  • Adapter Assembly — FSC 4730
  • General Characteristics Item Description: BRASS,FIRST END THD EXTERNAL,SECOND END THD INTERNAL BOSS,9/16-18,UNF,CLASS 3B THD
  • 2 verified cross-references
  • Primary manufacturer: The Boeing Company Div Defense
Applications
  • Plumbing and fluid distribution
  • Industrial piping systems
  • Fuel and lubricant distribution
General Description

The Adapter Assembly, cataloged under National Stock Number 4730-00-104-4379, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is The Boeing Company Div Defense. Government technical data includes 1 verified specification, 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4730-00-104-4379
Primary Part Number66-20846-1
Item NameAdapter Assembly
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerThe Boeing Company Div Defense
StatusACTIVE
General Characteristics Item DescriptionBRASS,FIRST END THD EXTERNAL,SECOND END THD INTERNAL BOSS,9/16-18,UNF,CLASS 3B THD
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5305-00-206-22861354 INTERCHANGEABLE
Setscrew
Curtiss-Wright Electro-Mechanical Corporation Div Epd
5940-00-259-4823135-4 INTERCHANGEABLE
Terminal,lug
Zierick Mfg Corp
5340-00-358-2352110A666 INTERCHANGEABLE
Cover,access
Cummins Power Generation Inc.
5945-00-371-4232 INTERCHANGEABLE
Relay,electromagnetic
5935-00-494-0701 INTERCHANGEABLE
Plate,retaining,electrical Conne
5365-00-532-28291354-9 INTERCHANGEABLE
Ring,spring
Elbitamerica, Inc.
5985-00-888-5511114A INTERCHANGEABLE
Dummy Load,electrical
Telephonics Corp/prd Instruments
5935-01-072-3889ST5M1417-003 INTERCHANGEABLE
Dummy Connector,receptacle
The Boeing Company Div Defense
5355-01-095-8975516A001354 INTERCHANGEABLE
Dial,scale
L3 Technologies, Inc. Div L3 Keo
6110-01-371-1622H1-408-4040 INTERCHANGEABLE
Controller,motor
Point Eight Power, Llc
Cross-Reference Index
Part NumberManufacturer
66-20846-1 PRIMARY The Boeing Company Div Defense (USA)
1354 Superior Valve Co (USA)
Related Parts
5305-00-206-2286INTERCHANGEABLE
SETSCREW
1354
5940-00-259-4823INTERCHANGEABLE
TERMINAL,LUG
135-4
5340-00-358-2352INTERCHANGEABLE
COVER,ACCESS
110A666
5945-00-371-4232INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
5935-00-494-0701INTERCHANGEABLE
PLATE,RETAINING,ELECTRICAL CONNE
5365-00-532-2829INTERCHANGEABLE
RING,SPRING
1354-9
5985-00-888-5511INTERCHANGEABLE
DUMMY LOAD,ELECTRICAL
114A
5935-01-072-3889INTERCHANGEABLE
DUMMY CONNECTOR,RECEPTACLE
ST5M1417-003
5355-01-095-8975INTERCHANGEABLE
DIAL,SCALE
516A001354
6110-01-371-1622INTERCHANGEABLE
CONTROLLER,MOTOR
H1-408-4040

Frequently Asked Questions

What is NSN 4730-00-104-4379?

NSN 4730-00-104-4379 is a Adapter Assembly, manufactured by The Boeing Company Div Defense, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-00-104-4379?

NSN 4730-00-104-4379 has 2 cross-referenced part numbers: 66-20846-1 (The Boeing Company Div Defense), 1354 (Superior Valve Co).

What NSN replaces 4730-00-104-4379?

There are 10 known substitutes for 4730-00-104-4379: 5305-00-206-2286, 5940-00-259-4823, 5340-00-358-2352 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 66-20846-1?

Key specifications for 66-20846-1: General Characteristics Item Description: BRASS,FIRST END THD EXTERNAL,SECOND END THD INTERNAL BOSS,9/16-18,UNF,CLASS 3B THD. 1 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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