PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3666-109-21Coupling,hydraulic

King Nutronics Corporation Dba King Nutronics · NSN 4730-01-148-2545 · FSC 4730 · No Item Name Available
Verified by PartsTable
NSN 4730-01-148-2545 — this item is cataloged by the U.S. Government under National Stock Number 4730-01-148-2545. Primary manufacturer part number: 3666-109-21.
Features
  • Coupling,hydraulic — FSC 4730
  • 3 verified cross-references
  • Primary manufacturer: King Nutronics Corporation Dba King Nutronics
Applications
  • Plumbing and fluid distribution
  • Industrial piping systems
  • Fuel and lubricant distribution
General Description

The Coupling,hydraulic, cataloged under National Stock Number 4730-01-148-2545, 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 King Nutronics Corporation Dba King Nutronics. This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameCoupling,hydraulic
FSC / FSG4730 — No Item Name Available (FSG 47)
ManufacturersParker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump and Power Division (CAGE 05448); King Nutronics Corporation Dba King Nutronics (CAGE 13859)
Technical Specifications
ParameterValue
NSN4730-01-148-2545
Primary Part Number3666-109-21
Item NameCoupling,hydraulic
FSC / FSG4730 / 47 — No Item Name Available
ManufacturerKing Nutronics Corporation Dba King Nutronics
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
4320-01-111-25863666-277-1 INTERCHANGEABLE
Pump Assembly
King Nutronics Corporation Dba King Nutronics
4730-01-148-2546357-238 INTERCHANGEABLE
Adapter,coupling
Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump and Power Division
4320-01-148-28273666-109-13 INTERCHANGEABLE
Manifold,pump
King Nutronics Corporation Dba King Nutronics
4730-01-155-58693666-109-29 INTERCHANGEABLE
Strainer Element,sediment
King Nutronics Corporation Dba King Nutronics
Cross-Reference Index
Part NumberManufacturer
409-364 Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump and Power Division (USA)
3666-109 King Nutronics Corporation Dba King Nutronics (USA)
3666-109-21 PRIMARY King Nutronics Corporation Dba King Nutronics (USA)
Related Parts
4320-01-111-2586INTERCHANGEABLE
PUMP ASSEMBLY
3666-277-1
4730-01-148-2546INTERCHANGEABLE
ADAPTER,COUPLING
357-238
4320-01-148-2827INTERCHANGEABLE
MANIFOLD,PUMP
3666-109-13
4730-01-155-5869INTERCHANGEABLE
STRAINER ELEMENT,SEDIMENT
3666-109-29

Frequently Asked Questions

What is NSN 4730-01-148-2545?

NSN 4730-01-148-2545 is a Coupling,hydraulic, manufactured by King Nutronics Corporation Dba King Nutronics, classified under FSC 4730 (No Item Name Available). Status: active.

What are the part numbers for NSN 4730-01-148-2545?

NSN 4730-01-148-2545 has 3 cross-referenced part numbers: 409-364 (Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump and Power Division), 3666-109 (King Nutronics Corporation Dba King Nutronics), 3666-109-21 (King Nutronics Corporation Dba King Nutronics).

What NSN replaces 4730-01-148-2545?

There are 4 known substitutes for 4730-01-148-2545: 4320-01-111-2586, 4730-01-148-2546, 4320-01-148-2827 and 1 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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