PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

DX86981PC693Ring,piston

Curtiss-Wright Electro-Mechanical Corporation Div Epd · NSN 4310-00-346-8662 · FSC 4310 · No Item Name Available
Verified by PartsTable
NSN 4310-00-346-8662 — this item is cataloged by the U.S. Government under National Stock Number 4310-00-346-8662. Primary manufacturer part number: DX86981PC693.
Features
  • Ring,piston — FSC 4310
  • 14 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,piston, cataloged under National Stock Number 4310-00-346-8662, is classified within Federal Supply Class 4310 (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 14 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameRing,piston
FSC / FSG4310 — 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)
Technical Specifications
ParameterValue
NSN4310-00-346-8662
Primary Part NumberDX86981PC693
Item NameRing,piston
FSC / FSG4310 / 43 — No Item Name Available
ManufacturerCurtiss-Wright Electro-Mechanical Corporation Div Epd
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5340-00-286-4181 INTERCHANGEABLE
Connector,rod End
5950-00-599-6822136C448H01 INTERCHANGEABLE
Transformer,power
Northrop Grumman Support Services Corp
5940-00-621-219541646-3 INTERCHANGEABLE
Terminal,taper Pin,electrical
Te Connectivity Corporation
5985-00-818-4624102742 INTERCHANGEABLE
Cover,waveguide Flange
Frontgrade Technologies Inc.
5962-01-204-164441646 INTERCHANGEABLE
Microcircuit,memory
Raytheon Company Div Rmd Strategic
3110-01-236-5032 INTERCHANGEABLE
Bearing,ball,annular
Cross-Reference Index
Part NumberManufacturer
DX86981PC693 PRIMARY Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
41646 PRIMARY Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
DR85573PC693 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
5436P PRIMARY Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
DX87145PC693 PRIMARY Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
DX86981PC693 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
41646 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
SL5738PC693 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
5436P Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
DR85567PC693 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
DR85573PC693 PRIMARY Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
SL5738PC693 PRIMARY Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
DR85567PC693 PRIMARY Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA)
DX87145PC693 Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging (USA)
Related Parts
5340-00-286-4181INTERCHANGEABLE
CONNECTOR,ROD END
5950-00-599-6822INTERCHANGEABLE
TRANSFORMER,POWER
136C448H01
5940-00-621-2195INTERCHANGEABLE
TERMINAL,TAPER PIN,ELECTRICAL
41646-3
5985-00-818-4624INTERCHANGEABLE
COVER,WAVEGUIDE FLANGE
102742
5962-01-204-1644INTERCHANGEABLE
MICROCIRCUIT,MEMORY
41646
3110-01-236-5032INTERCHANGEABLE
BEARING,BALL,ANNULAR

Frequently Asked Questions

What is NSN 4310-00-346-8662?

NSN 4310-00-346-8662 is a Ring,piston, manufactured by Curtiss-Wright Electro-Mechanical Corporation Div Epd, classified under FSC 4310 (No Item Name Available). Status: active.

What are the part numbers for NSN 4310-00-346-8662?

NSN 4310-00-346-8662 has 14 cross-referenced part numbers: DX86981PC693 (Curtiss-Wright Electro-Mechanical Corporation Div Epd), 41646 (Curtiss-Wright Electro-Mechanical Corporation Div Epd), DR85573PC693 (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss Wright Engineered Pump Division Use CAGE Code 0ubg9 for Cataloging), 5436P (Curtiss-Wright Electro-Mechanical Corporation Div Epd), DX87145PC693 (Curtiss-Wright Electro-Mechanical Corporation Div Epd) and 9 more.

What NSN replaces 4310-00-346-8662?

There are 6 known substitutes for 4310-00-346-8662: 5340-00-286-4181, 5950-00-599-6822, 5940-00-621-2195 and 3 more. Verify interchangeability with system specifications before substitution.

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