PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SL6418PC38Ring,wearing

Curtiss-Wright Electro-Mechanical Corporation Div Epd · NSN 4320-00-398-7846 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-398-7846 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-398-7846. Primary manufacturer part number: SL6418PC38.
Features
  • Ring,wearing — FSC 4320
  • Bolt Hole Quantity: 3
  • Body Style: PLAIN
  • Corner Shape: SQUARE ALL CORNERS
  • Material: COPPER ALLOY
  • Body Inside Diameter: 2.469 INCHES NOMINAL IN
  • Bolt Circle Diameter: 3.125 INCHES NOMINAL IN
  • Unthreaded Mounting Hole Diameter: 0.281 INCHES NOMINAL IN
Applications
  • Applications requiring Copper Alloy construction
General Description

The Ring,wearing, cataloged under National Stock Number 4320-00-398-7846, 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 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 14 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-00-398-7846
Primary Part NumberSL6418PC38
Item NameRing,wearing
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerCurtiss-Wright Electro-Mechanical Corporation Div Epd
StatusACTIVE
Bolt Hole Quantity3
Body StylePLAIN
Corner ShapeSQUARE ALL CORNERS
MaterialCOPPER ALLOY
Body Inside Diameter2.469 INCHES NOMINAL IN
Bolt Circle Diameter3.125 INCHES NOMINAL IN
Unthreaded Mounting Hole Diameter0.281 INCHES NOMINAL IN
Body Outside Diameter3.734 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
4820-00-476-6428 INTERCHANGEABLE
Valve,angle
4820-00-476-6432 INTERCHANGEABLE
Valve,angle
4820-00-963-5164 INTERCHANGEABLE
Valve,angle
Cross-Reference Index
Part NumberManufacturer
SL5249PC38 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
166944L Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
SL4147PC38 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
SL5223PC38 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
417P Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
SL5245PC38 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
994P Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
SL4280PC38 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
SL4950PC38 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
384P Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
SL5450PC35 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
F166844L Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
SL6418PC38 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
SL6418PC38 PRIMARY Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
Related Parts
4820-00-476-6428INTERCHANGEABLE
VALVE,ANGLE
4820-00-476-6432INTERCHANGEABLE
VALVE,ANGLE
4820-00-963-5164INTERCHANGEABLE
VALVE,ANGLE

Frequently Asked Questions

What is NSN 4320-00-398-7846?

NSN 4320-00-398-7846 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 4320-00-398-7846?

NSN 4320-00-398-7846 has 14 cross-referenced part numbers: SL5249PC38 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging), 166944L (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging), SL4147PC38 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging), SL5223PC38 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging), 417P (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging) and 9 more.

What NSN replaces 4320-00-398-7846?

There are 3 known substitutes for 4320-00-398-7846: 4820-00-476-6428, 4820-00-476-6432, 4820-00-963-5164. Verify interchangeability with system specifications before substitution.

What are the specifications of SL6418PC38?

Key specifications for SL6418PC38: Bolt Hole Quantity: 3; Body Style: PLAIN; Special Features: HOLES HAVE 0.438 IN. DIA COUNTERBORES IN; Corner Shape: SQUARE ALL CORNERS. 10 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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