PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4223-3Ring,lantern

Air & Liquid Systems Corporation Dba Buffalo Pumps · NSN 4320-00-946-2679 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-946-2679 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-946-2679. Primary manufacturer part number: 4223-3.
Features
  • Ring,lantern — FSC 4320
  • Inside Diameter: 2.687 INCHES MINIMUM AND 2.702 INCHES MAXIMUM IN
  • Outside Diameter: 3.579 INCHES MINIMUM AND 3.594 INCHES MAXIMUM IN
  • Height: 0.625 INCHES NOMINAL IN
  • 2 verified cross-references
  • Primary manufacturer: Air & Liquid Systems Corporation Dba Buffalo Pumps
Applications
  • Hydraulic and pneumatic systems
  • Industrial process pumping
  • Military vehicle hydraulics
General Description

The Ring,lantern, cataloged under National Stock Number 4320-00-946-2679, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Air & Liquid Systems Corporation Dba Buffalo Pumps. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-00-946-2679
Primary Part Number4223-3
Item NameRing,lantern
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerAir & Liquid Systems Corporation Dba Buffalo Pumps
StatusACTIVE
Inside Diameter2.687 INCHES MINIMUM AND 2.702 INCHES MAXIMUM IN
Outside Diameter3.579 INCHES MINIMUM AND 3.594 INCHES MAXIMUM IN
Height0.625 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5180-00-285-227142-233 INTERCHANGEABLE
Service Tool Kit
Huck International, Inc. Div Kingston Operations
2805-00-354-197542233 INTERCHANGEABLE
Cylinder Head,gasoline Engine
Brinkley Technology Group Llc Dba Hercules Manufacturing
6620-00-564-937742233 INTERCHANGEABLE
Frame Assy,indicato
Honeywell International, Inc Div Aerospace-Tucson
5999-00-709-7841 INTERCHANGEABLE
Heater,thermal Release
5935-00-751-1501 INTERCHANGEABLE
Connector,plug,electrical
3455-00-764-35801741-0437 INTERCHANGEABLE
Cutter,milling,end
New York Twist Drill Inc
5935-00-839-072744180-00 INTERCHANGEABLE
Connector,plug,electrical
Meggitt Safety Systems Inc
4820-00-889-5231 INTERCHANGEABLE
Cock,shutoff,screw Stem
Cross-Reference Index
Part NumberManufacturer
CA11057PC14A Air & Liquid Systems Corporation Dba Buffalo Pumps (USA)
4223-3 PRIMARY Air & Liquid Systems Corporation Dba Buffalo Pumps (USA)
Related Parts
5180-00-285-2271INTERCHANGEABLE
SERVICE TOOL KIT
42-233
2805-00-354-1975INTERCHANGEABLE
CYLINDER HEAD,GASOLINE ENGINE
42233
6620-00-564-9377INTERCHANGEABLE
FRAME ASSY,INDICATO
42233
5999-00-709-7841INTERCHANGEABLE
HEATER,THERMAL RELEASE
5935-00-751-1501INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
3455-00-764-3580INTERCHANGEABLE
CUTTER,MILLING,END
1741-0437
5935-00-839-0727INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
44180-00
4820-00-889-5231INTERCHANGEABLE
COCK,SHUTOFF,SCREW STEM

Frequently Asked Questions

What is NSN 4320-00-946-2679?

NSN 4320-00-946-2679 is a Ring,lantern, manufactured by Air & Liquid Systems Corporation Dba Buffalo Pumps, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-00-946-2679?

NSN 4320-00-946-2679 has 2 cross-referenced part numbers: CA11057PC14A (Air & Liquid Systems Corporation Dba Buffalo Pumps), 4223-3 (Air & Liquid Systems Corporation Dba Buffalo Pumps).

What NSN replaces 4320-00-946-2679?

There are 8 known substitutes for 4320-00-946-2679: 5180-00-285-2271, 2805-00-354-1975, 6620-00-564-9377 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4223-3?

Key specifications for 4223-3: Inside Diameter: 2.687 INCHES MINIMUM AND 2.702 INCHES MAXIMUM IN; Outside Diameter: 3.579 INCHES MINIMUM AND 3.594 INCHES MAXIMUM IN; Height: 0.625 INCHES NOMINAL IN. 3 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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