PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

359PRing,wearing

Curtiss-Wright Electro-Mechanical Corporation Div Epd · NSN 4320-00-398-8218 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-398-8218 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-398-8218. Primary manufacturer part number: 359P.
Features
  • Ring,wearing — FSC 4320
  • Body Outside Diameter: 7.690 INCHES NOMINAL IN
  • Body Style: PLAIN
  • Material: COPPER ALLOY
  • Corner Shape: SQUARE ALL CORNERS
  • Body Inside Diameter: 7.157 INCHES NOMINAL IN
  • Material Document and Classification: MIL-B-16261,GRADE 3 FED SPEC SINGLE MATERIAL RESPONSE
  • 4 verified cross-references
Applications
  • Applications requiring Copper Alloy construction
General Description

The Ring,wearing, cataloged under National Stock Number 4320-00-398-8218, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Curtiss-Wright Electro-Mechanical Corporation Div Epd. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 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
NSN4320-00-398-8218
Primary Part Number359P
Item NameRing,wearing
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerCurtiss-Wright Electro-Mechanical Corporation Div Epd
StatusACTIVE
Body Outside Diameter7.690 INCHES NOMINAL IN
Body StylePLAIN
MaterialCOPPER ALLOY
Corner ShapeSQUARE ALL CORNERS
Body Inside Diameter7.157 INCHES NOMINAL IN
Material Document and ClassificationMIL-B-16261,GRADE 3 FED SPEC SINGLE MATERIAL RESPONSE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
2805-00-566-7407940P INTERCHANGEABLE
Piston,internal Combustion Engin
Federal-Mogul Corp Government Sales Dept
Cross-Reference Index
Part NumberManufacturer
SL5217PC36 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
359P PRIMARY Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
SL5217PC36 Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
359P Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
Related Parts
2805-00-566-7407INTERCHANGEABLE
PISTON,INTERNAL COMBUSTION ENGIN
940P

Frequently Asked Questions

What is NSN 4320-00-398-8218?

NSN 4320-00-398-8218 is a Ring,wearing, manufactured by Curtiss-Wright Electro-Mechanical Corporation Div Epd, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-00-398-8218?

NSN 4320-00-398-8218 has 4 cross-referenced part numbers: SL5217PC36 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging), 359P (Curtiss-Wright Electro-Mechanical Corporation Div Epd), SL5217PC36 (Curtiss-Wright Electro-Mechanical Corporation Div Epd), 359P (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging).

What NSN replaces 4320-00-398-8218?

There is 1 known substitute for 4320-00-398-8218: 2805-00-566-7407. Verify interchangeability with system specifications before substitution.

What are the specifications of 359P?

Key specifications for 359P: Body Outside Diameter: 7.690 INCHES NOMINAL IN; Body Style: PLAIN; Material: COPPER ALLOY; Overall Length: 0.750 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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