PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

31-0324Ring,wearing

Grundfos Pumps Corp · NSN 4320-01-244-2489 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-01-244-2489 — this item is cataloged by the U.S. Government under National Stock Number 4320-01-244-2489. Primary manufacturer part number: 31-0324.
Features
  • Ring,wearing — FSC 4320
  • Internal Flange Width: 0.280 INCHES NOMINAL IN
  • Corner Shape: ROUND ALL CORNERS
  • Body Outside Diameter: 2.350 INCHES NOMINAL IN
  • Body Inside Diameter: 2.275 INCHES NOMINAL IN
  • Internal Flange Inside Diameter: 1.605 INCHES NOMINAL IN
  • Material: COPPER ALLOY
  • Internal Flange Outside Diameter: 1.665 INCHES NOMINAL IN
Applications
  • Applications requiring Copper Alloy construction
General Description

The Ring,wearing, cataloged under National Stock Number 4320-01-244-2489, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Grundfos Pumps Corp. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-01-244-2489
Primary Part Number31-0324
Item NameRing,wearing
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerGrundfos Pumps Corp
StatusACTIVE
Internal Flange Width0.280 INCHES NOMINAL IN
Corner ShapeROUND ALL CORNERS
Body Outside Diameter2.350 INCHES NOMINAL IN
Body Inside Diameter2.275 INCHES NOMINAL IN
Internal Flange Inside Diameter1.605 INCHES NOMINAL IN
MaterialCOPPER ALLOY
Internal Flange Outside Diameter1.665 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4730-00-995-1568 INTERCHANGEABLE
Elbow,pipe to Tube
Cross-Reference Index
Part NumberManufacturer
31-0324 PRIMARY Grundfos Pumps Corp (USA)
Related Parts
4730-00-995-1568INTERCHANGEABLE
ELBOW,PIPE TO TUBE

Frequently Asked Questions

What is NSN 4320-01-244-2489?

NSN 4320-01-244-2489 is a Ring,wearing, manufactured by Grundfos Pumps Corp, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-01-244-2489?

NSN 4320-01-244-2489 has 1 cross-referenced part number: 31-0324 (Grundfos Pumps Corp).

What NSN replaces 4320-01-244-2489?

There is 1 known substitute for 4320-01-244-2489: 4730-00-995-1568. Verify interchangeability with system specifications before substitution.

What are the specifications of 31-0324?

Key specifications for 31-0324: Internal Flange Width: 0.280 INCHES NOMINAL IN; Overall Length: 0.205 INCHES NOMINAL IN; Corner Shape: ROUND ALL CORNERS; Body Outside Diameter: 2.350 INCHES NOMINAL IN. 8 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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