PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3666-277-1Pump Assembly

King Nutronics Corporation Dba King Nutronics · NSN 4320-01-111-2586 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-111-2586 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-111-2586. Primary manufacturer part number: 3666-277-1.
Features
  • Pump Assembly — FSC 4320
  • 5 verified cross-references
  • Primary manufacturer: King Nutronics Corporation Dba King Nutronics
Applications
  • Fluid transfer and circulation
  • Cooling system maintenance
  • Industrial process pumping
General Description

The Pump Assembly, cataloged under National Stock Number 4320-01-111-2586, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is King Nutronics Corporation Dba King Nutronics. This item has 5 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Catalog Facts
Item NamePump Assembly
FSC / FSG4320 — No Item Name Available (FSG 43)
ManufacturersParker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump and Power Division (CAGE 05448); King Nutronics Corporation Dba King Nutronics (CAGE 13859)
Technical Specifications
ParameterValue
NSN4320-01-111-2586
Primary Part Number3666-277-1
Item NamePump Assembly
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerKing Nutronics Corporation Dba King Nutronics
StatusCANCELLED
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
5330-00-269-3431626320 INTERCHANGEABLE
Gasket
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
4030-01-049-6675626320 INTERCHANGEABLE
Shackle
Ulven Machinery Co, Inc
4730-01-148-25453666-109-21 INTERCHANGEABLE
Coupling,hydraulic
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
626-320 Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump and Power Division (USA)
3666-109-15 King Nutronics Corporation Dba King Nutronics (USA)
3666-109-1 King Nutronics Corporation Dba King Nutronics (USA)
3666-109 King Nutronics Corporation Dba King Nutronics (USA)
3666-277-1 PRIMARY King Nutronics Corporation Dba King Nutronics (USA)
Related Parts
5330-00-269-3431INTERCHANGEABLE
GASKET
626320
4030-01-049-6675INTERCHANGEABLE
SHACKLE
626320
4730-01-148-2545INTERCHANGEABLE
COUPLING,HYDRAULIC
3666-109-21
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 4320-01-111-2586?

NSN 4320-01-111-2586 is a Pump Assembly, manufactured by King Nutronics Corporation Dba King Nutronics, classified under FSC 4320 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4320-01-111-2586?

NSN 4320-01-111-2586 has 5 cross-referenced part numbers: 626-320 (Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump and Power Division), 3666-109-15 (King Nutronics Corporation Dba King Nutronics), 3666-109-1 (King Nutronics Corporation Dba King Nutronics), 3666-109 (King Nutronics Corporation Dba King Nutronics), 3666-277-1 (King Nutronics Corporation Dba King Nutronics).

What NSN replaces 4320-01-111-2586?

There are 6 known substitutes for 4320-01-111-2586: 5330-00-269-3431, 4030-01-049-6675, 4730-01-148-2545 and 3 more. Verify interchangeability with system specifications before substitution.

Is NSN 4320-01-111-2586 still in active supply?

NSN 4320-01-111-2586 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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