PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

H4320-858-6673Ring,wearing

Naval Inventory Control Point Mechanicsburg · NSN 4320-00-858-6673 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-858-6673 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-858-6673. Primary manufacturer part number: H4320-858-6673.
Features
  • Ring,wearing — FSC 4320
  • Material: COPPER ALLOY
  • Internal Flange Outside Diameter: 3.488 INCHES NOMINAL IN
  • Body Inside Diameter: 3.860 INCHES NOMINAL IN
  • Corner Shape: SQUARE ALL CORNERS
  • Flange Diameter: 4.248 INCHES NOMINAL IN
  • Internal Flange Inside Diameter: 3.125 INCHES NOMINAL IN
  • 2 verified cross-references
Applications
  • Applications requiring Copper Alloy construction
General Description

The Ring,wearing, cataloged under National Stock Number 4320-00-858-6673, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 6 verified specifications, 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-00-858-6673
Primary Part NumberH4320-858-6673
Item NameRing,wearing
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerNaval Inventory Control Point Mechanicsburg
StatusACTIVE
MaterialCOPPER ALLOY
Internal Flange Outside Diameter3.488 INCHES NOMINAL IN
Body Inside Diameter3.860 INCHES NOMINAL IN
Corner ShapeSQUARE ALL CORNERS
Flange Diameter4.248 INCHES NOMINAL IN
Internal Flange Inside Diameter3.125 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5961-00-833-6029 INTERCHANGEABLE
Semiconductor Device,thyristor
Cross-Reference Index
Part NumberManufacturer
H4320-858-6673 PRIMARY Naval Inventory Control Point Mechanicsburg (USA)
C230A Circor Naval Solutions Llc Dba Warren Pumps (USA)
Related Parts
5961-00-833-6029INTERCHANGEABLE
SEMICONDUCTOR DEVICE,THYRISTOR

Frequently Asked Questions

What is NSN 4320-00-858-6673?

NSN 4320-00-858-6673 is a Ring,wearing, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-00-858-6673?

NSN 4320-00-858-6673 has 2 cross-referenced part numbers: H4320-858-6673 (Naval Inventory Control Point Mechanicsburg), C230A (Circor Naval Solutions Llc Dba Warren Pumps).

What NSN replaces 4320-00-858-6673?

There is 1 known substitute for 4320-00-858-6673: 5961-00-833-6029. Verify interchangeability with system specifications before substitution.

What are the specifications of H4320-858-6673?

Key specifications for H4320-858-6673: Material: COPPER ALLOY; Internal Flange Outside Diameter: 3.488 INCHES NOMINAL IN; Overall Length: 0.500 INCHES NOMINAL IN; Body Inside Diameter: 3.860 INCHES NOMINAL IN. 7 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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