PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

10259Ring,wearing

Rps-Fl, Inc. Dba Rps Inc · NSN 4320-00-218-3310 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-218-3310 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-218-3310. Primary manufacturer part number: 10259.
Features
  • Ring,wearing — FSC 4320
  • 10 verified cross-references
  • Primary manufacturer: Rps-Fl, Inc. Dba Rps Inc
Applications
  • Hydraulic and pneumatic systems
  • Industrial process pumping
  • Military vehicle hydraulics
General Description

The Ring,wearing, cataloged under National Stock Number 4320-00-218-3310, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is Rps-Fl, Inc. Dba Rps Inc. This item has 10 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.

Catalog Facts
Item NameRing,wearing
FSC / FSG4320 — No Item Name Available (FSG 43)
ManufacturersCurtiss-Wright Electro-Mechanical Corporation Div Epd (CAGE 0UBG9); Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (CAGE 93232); Rps-Fl, Inc. Dba Rps Inc (CAGE 54402)
Technical Specifications
ParameterValue
NSN4320-00-218-3310
Primary Part Number10259
Item NameRing,wearing
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerRps-Fl, Inc. Dba Rps Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4320-00-218-331110373 INTERCHANGEABLE
Sleeve,shaft,pump
Rps-Fl, Inc. Dba Rps Inc
5950-00-450-51702678864 INTERCHANGEABLE
Transformer,power
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
2520-00-710-796210-259 INTERCHANGEABLE
Universal Joint,vehicular
Apex Tool Group, Llc
5950-00-717-5753 INTERCHANGEABLE
Reactor
5950-01-009-9864 INTERCHANGEABLE
Coil,radio Frequency
5305-01-062-6451 INTERCHANGEABLE
Setscrew
5970-01-140-183410259 INTERCHANGEABLE
Insulator,bushing
Eaton Corp Information Management Systems Div Microwave Components
3110-01-502-764610-259 INTERCHANGEABLE
Bearing,roller,tapered
Konrad Marine Inc Div Konrad Marine
4810-01-586-518010259 INTERCHANGEABLE
Stem,needle Valve
Amerex Corporation Dba Amerex Corp
1560-01-597-5898 INTERCHANGEABLE
Support,structural Component,air
Cross-Reference Index
Part NumberManufacturer
SL5221PC8 Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
SL5182PC8 Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
SL5221PC8 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
SL5182PC8 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
255182-5 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
10259 PRIMARY Rps-Fl, Inc. Dba Rps Inc (USA)
255182-5 PRIMARY Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
3115P Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
3115P Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
SL-5221 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
Related Parts
4320-00-218-3311INTERCHANGEABLE
SLEEVE,SHAFT,PUMP
10373
5950-00-450-5170INTERCHANGEABLE
TRANSFORMER,POWER
2678864
2520-00-710-7962INTERCHANGEABLE
UNIVERSAL JOINT,VEHICULAR
10-259
5950-00-717-5753INTERCHANGEABLE
REACTOR
5950-01-009-9864INTERCHANGEABLE
COIL,RADIO FREQUENCY
5305-01-062-6451INTERCHANGEABLE
SETSCREW
5970-01-140-1834INTERCHANGEABLE
INSULATOR,BUSHING
10259
3110-01-502-7646INTERCHANGEABLE
BEARING,ROLLER,TAPERED
10-259
4810-01-586-5180INTERCHANGEABLE
STEM,NEEDLE VALVE
10259
1560-01-597-5898INTERCHANGEABLE
SUPPORT,STRUCTURAL COMPONENT,AIR
5360-01-607-4341INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
10259
5220-01-665-9758INTERCHANGEABLE
GAGE,PLUG,PLAIN CYLINDRICAL
10-259

Frequently Asked Questions

What is NSN 4320-00-218-3310?

NSN 4320-00-218-3310 is a Ring,wearing, manufactured by Rps-Fl, Inc. Dba Rps Inc, classified under FSC 4320 (No Item Name Available). Status: active.

What are the part numbers for NSN 4320-00-218-3310?

NSN 4320-00-218-3310 has 10 cross-referenced part numbers: SL5221PC8 (Curtiss-Wright Electro-Mechanical Corporation Div Epd), SL5182PC8 (Curtiss-Wright Electro-Mechanical Corporation Div Epd), SL5221PC8 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging), SL5182PC8 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging), 255182-5 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging) and 5 more.

What NSN replaces 4320-00-218-3310?

There are 12 known substitutes for 4320-00-218-3310: 4320-00-218-3311, 5950-00-450-5170, 2520-00-710-7962 and 9 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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