PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

598PRing,wearing

Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging · NSN 4320-00-398-8077 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-398-8077 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-398-8077. Primary manufacturer part number: 598P.
Features
  • Ring,wearing — FSC 4320
  • Body Inside Diameter: 8.970 INCHES NOMINAL IN
  • Distance Between Flanges: 1.000 INCHES NOMINAL IN
  • Distance From End: 0.625 INCHES NOMINAL IN
  • Left Side Flange Thickness: 0.375 INCHES NOMINAL IN
  • Right Side Flange Thickness: 0.508 INCHES NOMINAL IN
  • Internal Flange Width: 1.062 INCHES NOMINAL IN
  • End to Flange Distance: 1.500 INCHES NOMINAL IN
Applications
  • Applications requiring Copper Alloy construction
General Description

The Ring,wearing, cataloged under National Stock Number 4320-00-398-8077, 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 Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4320-00-398-8077
Primary Part Number598P
Item NameRing,wearing
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerCurtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging
StatusACTIVE
Body Inside Diameter8.970 INCHES NOMINAL IN
Distance Between Flanges1.000 INCHES NOMINAL IN
Distance From End0.625 INCHES NOMINAL IN
Left Side Flange Thickness0.375 INCHES NOMINAL IN
Right Side Flange Thickness0.508 INCHES NOMINAL IN
Internal Flange Width1.062 INCHES NOMINAL IN
End to Flange Distance1.500 INCHES NOMINAL IN
Corner ShapeSQUARE OUTSIDE RIGHT CORNER
Corner ShapeSQUARE OUTSIDE LEFT CORNER
Distance Below Centerline0.093 INCHES NOMINAL IN
Body StyleINTERNAL FLANGE W/EXTERNAL LOCKING FLANGE
Smallest External Anchor Flange Radius5.406 INCHES NOMINAL IN
Internal Flange Inside Diameter7.562 INCHES NOMINAL IN
Largest External Anchor Flange Radius5.969 INCHES NOMINAL IN
Body Outside Diameter10.998 INCHES NOMINAL IN
Corner Radius2.000 INCHES NOMINAL INSIDE RIGHT CORNER IN
Corner ShapeSQUARE INSIDE LEFT CORNER
MaterialCOPPER ALLOY
Corner ShapeROUND INSIDE RIGHT CORNER
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5950-00-078-1773 INTERCHANGEABLE
Transformer,power
3120-00-204-2014103-18 INTERCHANGEABLE
Bushing,sleeve
Dukes Aerospace, Inc.
2825-00-218-609610318 INTERCHANGEABLE
Disk,hand Valve
Northrop Grumman Systems Corporation Div Marine Systems
3040-00-395-9441SM-B-157038 INTERCHANGEABLE
Connecting Link,rigid
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
3020-00-425-341910318 INTERCHANGEABLE
Gear,spur
Garwood/feller Inc Garwood Winch Div
3120-00-426-761310318 INTERCHANGEABLE
Roller,linear-Rotary Motion
Maniabarco Inc.
5133-00-988-5705DBTBC9/32 INTERCHANGEABLE
Drill,twist
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
3120-01-031-83562505373 INTERCHANGEABLE
Bushing,sleeve
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5930-01-198-206910318 INTERCHANGEABLE
Arm,switch Actuator
Grimes Aerospace Company
5999-01-200-9445 INTERCHANGEABLE
Mounting Pad,electrical-Electron
Cross-Reference Index
Part NumberManufacturer
598P Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
SL5581PC55 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
SL6774PC55 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
255034-4 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
SL5034PC55 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
SL5034PC55 Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
SL6142PC55 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
10318 Rps-Fl, Inc. Dba Rps Inc (USA)
Related Parts
5950-00-078-1773INTERCHANGEABLE
TRANSFORMER,POWER
3120-00-204-2014INTERCHANGEABLE
BUSHING,SLEEVE
103-18
2825-00-218-6096INTERCHANGEABLE
DISK,HAND VALVE
10318
3040-00-395-9441INTERCHANGEABLE
CONNECTING LINK,RIGID
SM-B-157038
3020-00-425-3419INTERCHANGEABLE
GEAR,SPUR
10318
3120-00-426-7613INTERCHANGEABLE
ROLLER,LINEAR-ROTARY MOTION
10318
5133-00-988-5705INTERCHANGEABLE
DRILL,TWIST
DBTBC9/32
3120-01-031-8356INTERCHANGEABLE
BUSHING,SLEEVE
2505373
5930-01-198-2069INTERCHANGEABLE
ARM,SWITCH ACTUATOR
10318
5999-01-200-9445INTERCHANGEABLE
MOUNTING PAD,ELECTRICAL-ELECTRON
6850-01-333-0812INTERCHANGEABLE
CLEANING COMPOUND,SOLVENT
10-318
5120-01-397-3284INTERCHANGEABLE
SOCKET,SOCKET WRENCH

Frequently Asked Questions

What is NSN 4320-00-398-8077?

NSN 4320-00-398-8077 is a Ring,wearing, manufactured by Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-00-398-8077?

NSN 4320-00-398-8077 has 8 cross-referenced part numbers: 598P (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging), SL5581PC55 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging), SL6774PC55 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging), 255034-4 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging), SL5034PC55 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging) and 3 more.

What NSN replaces 4320-00-398-8077?

There are 12 known substitutes for 4320-00-398-8077: 5950-00-078-1773, 3120-00-204-2014, 2825-00-218-6096 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 598P?

Key specifications for 598P: Overall Length: 2.500 INCHES NOMINAL IN; Body Inside Diameter: 8.970 INCHES NOMINAL IN; Distance Between Flanges: 1.000 INCHES NOMINAL IN; Distance From End: 0.625 INCHES NOMINAL IN. 20 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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