PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

255182-8Ring,wearing

Curtiss-Wright Electro-Mechanical Corporation Div Epd · NSN 4320-00-218-3309 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-218-3309 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-218-3309. Primary manufacturer part number: 255182-8.
Features
  • Ring,wearing — FSC 4320
  • 6 verified cross-references
  • Primary manufacturer: Curtiss-Wright Electro-Mechanical Corporation Div Epd
Applications
  • Hydraulic and pneumatic systems
  • Industrial process pumping
  • Military vehicle hydraulics
General Description

The Ring,wearing, cataloged under National Stock Number 4320-00-218-3309, 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. This item has 6 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 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 Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (CAGE 93232); Curtiss-Wright Electro-Mechanical Corporation Div Epd (CAGE 0UBG9); Rps-Fl, Inc. Dba Rps Inc (CAGE 54402)
Technical Specifications
ParameterValue
NSN4320-00-218-3309
Primary Part Number255182-8
Item NameRing,wearing
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerCurtiss-Wright Electro-Mechanical Corporation Div Epd
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
2810-00-118-233910831 INTERCHANGEABLE
Washer,valve Spring
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
5940-00-602-7617001-2004-00-0-479 INTERCHANGEABLE
Terminal,feedthru
Itt Cannon Rf Products
5950-01-012-6300SM-D-413690 INTERCHANGEABLE
Transformer,radio Frequency
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
4810-01-070-806410831 INTERCHANGEABLE
Body,valve
Mission Systems Orchard Park Inc
1240-01-565-417310831 INTERCHANGEABLE
Mount Subassembly
Aimpoint Inc Dba Aimpoint Inc
6920-01-572-842710831 INTERCHANGEABLE
Target,zeroing
Charles Reed Knight Jr Dba Knight's Armament Company
9150-01-595-427510831 INTERCHANGEABLE
Lubricating Oil,engine
Shell Oil Co
6110-01-717-07901083-1 INTERCHANGEABLE
Block,control Circuit
Tru-Hitch, Inc.
Cross-Reference Index
Part NumberManufacturer
255182-8 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
255182-8 PRIMARY Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
10831 PRIMARY Rps-Fl, Inc. Dba Rps Inc (USA)
3119P Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
3119P PRIMARY Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
SL5182PC36 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
Related Parts
2810-00-118-2339INTERCHANGEABLE
WASHER,VALVE SPRING
10831
5940-00-602-7617INTERCHANGEABLE
TERMINAL,FEEDTHRU
001-2004-00-0-479
5950-01-012-6300INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
SM-D-413690
4810-01-070-8064INTERCHANGEABLE
BODY,VALVE
10831
1240-01-565-4173INTERCHANGEABLE
MOUNT SUBASSEMBLY
10831
6920-01-572-8427INTERCHANGEABLE
TARGET,ZEROING
10831
9150-01-595-4275INTERCHANGEABLE
LUBRICATING OIL,ENGINE
10831
6110-01-717-0790INTERCHANGEABLE
BLOCK,CONTROL CIRCUIT
1083-1

Frequently Asked Questions

What is NSN 4320-00-218-3309?

NSN 4320-00-218-3309 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 4320-00-218-3309?

NSN 4320-00-218-3309 has 6 cross-referenced part numbers: 255182-8 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging), 255182-8 (Curtiss-Wright Electro-Mechanical Corporation Div Epd), 10831 (Rps-Fl, Inc. Dba Rps Inc), 3119P (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging), 3119P (Curtiss-Wright Electro-Mechanical Corporation Div Epd) and 1 more.

What NSN replaces 4320-00-218-3309?

There are 8 known substitutes for 4320-00-218-3309: 2810-00-118-2339, 5940-00-602-7617, 5950-01-012-6300 and 5 more. Verify interchangeability with system specifications before substitution.

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