PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

R34449Ring,piston

Kaydon Ring & Seal Inc Dba Skf Precision Technologies · NSN 2815-00-273-0459 · FSC 2815 · No Item Name Available
Verified by PartsTable
NSN 2815-00-273-0459 — this item is cataloged by the U.S. Government under National Stock Number 2815-00-273-0459. Primary manufacturer part number: R34449.
Features
  • Ring,piston — FSC 2815
  • Standard Bore Diameter: 3.625 INCHES IN
  • Oil Passage Type and Quantity: 10 SLOT HORIZONTALLY THROUGH RING
  • Radial Wall Thickness: 0.1450 INCHES MINIMUM AND 0.1550 INCHES MAXIMUM IN
  • Ring Style: CONCENTRIC
  • Joint Style: VERTICAL JOINT
  • Cross-Sectional Shape Style: STRAIGHT FACE, DOUBLE SCRAPER, VENTILATED OIL CONTROL
  • Material: IRON OVERALL
Applications
  • Applications requiring Iron Overall construction
General Description

The Ring,piston, cataloged under National Stock Number 2815-00-273-0459, is classified within Federal Supply Class 2815 (No Item Name Available) of the Engines, Turbines, and Components group. The primary manufacturer of record is Kaydon Ring & Seal Inc Dba Skf Precision Technologies. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 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
NSN2815-00-273-0459
Primary Part NumberR34449
Item NameRing,piston
FSC / FSG2815 / 28 — No Item Name Available
ManufacturerKaydon Ring & Seal Inc Dba Skf Precision Technologies
StatusACTIVE
Standard Bore Diameter3.625 INCHES IN
Oil Passage Type and Quantity10 SLOT HORIZONTALLY THROUGH RING
Radial Wall Thickness0.1450 INCHES MINIMUM AND 0.1550 INCHES MAXIMUM IN
Ring StyleCONCENTRIC
Joint StyleVERTICAL JOINT
Cross-Sectional Shape StyleSTRAIGHT FACE, DOUBLE SCRAPER, VENTILATED OIL CONTROL
MaterialIRON OVERALL
Oil Passage Type and Quantity1 GROOVE OUTSIDE PERIPHERY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-144-8931 INTERCHANGEABLE
Bearing,ball,annular
5305-00-145-6807 INTERCHANGEABLE
Screw,machine
4320-00-174-33736217 INTERCHANGEABLE
Parts Kit,hydraulic Pump
Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution
3020-00-353-27393892B132 INTERCHANGEABLE
Gear,spur
Meritor Heavy Vehicle Systems, Llc
4940-00-495-01186217 INTERCHANGEABLE
Shop Equipment,contact Maintenan
Metadure Parts & Sales, Inc.
5960-00-615-5061 INTERCHANGEABLE
Electron Tube
6680-00-675-03456217 INTERCHANGEABLE
Gage Rod-Cap,liquid Level
Safran Electronics & Defense, Avionics Usa, Llc Dba Use CAGE Code 879b2 for Cataloging
1560-00-807-44262-52921-1 INTERCHANGEABLE
Adapter,pressure Fuel Servicing
Northrop Grumman Systems Corporation
5306-01-053-8895 INTERCHANGEABLE
Bolt,eye
5950-01-379-9708A504A422-101 INTERCHANGEABLE
Transformer,pulse
Bae Systems Information and Electronic Systems Integration Inc.
Cross-Reference Index
Part NumberManufacturer
R34449 Kaydon Ring & Seal Inc Dba Skf Precision Technologies (USA)
6217 Norfolk Naval Shipyard (USA)
Related Parts
3110-00-144-8931INTERCHANGEABLE
BEARING,BALL,ANNULAR
5305-00-145-6807INTERCHANGEABLE
SCREW,MACHINE
4320-00-174-3373INTERCHANGEABLE
PARTS KIT,HYDRAULIC PUMP
6217
3020-00-353-2739INTERCHANGEABLE
GEAR,SPUR
3892B132
4940-00-495-0118INTERCHANGEABLE
SHOP EQUIPMENT,CONTACT MAINTENAN
6217
5960-00-615-5061INTERCHANGEABLE
ELECTRON TUBE
6680-00-675-0345INTERCHANGEABLE
GAGE ROD-CAP,LIQUID LEVEL
6217
1560-00-807-4426INTERCHANGEABLE
ADAPTER,PRESSURE FUEL SERVICING
2-52921-1
5306-01-053-8895INTERCHANGEABLE
BOLT,EYE
5950-01-379-9708INTERCHANGEABLE
TRANSFORMER,PULSE
A504A422-101
3110-01-468-8035INTERCHANGEABLE
BALL,BEARING
6217
3110-01-566-7687INTERCHANGEABLE
BALL,BEARING
6217

Frequently Asked Questions

What is NSN 2815-00-273-0459?

NSN 2815-00-273-0459 is a Ring,piston, manufactured by Kaydon Ring & Seal Inc Dba Skf Precision Technologies, classified under FSC 2815 (No Item Name Available). Status: active.

What are the part numbers for NSN 2815-00-273-0459?

NSN 2815-00-273-0459 has 2 cross-referenced part numbers: R34449 (Kaydon Ring & Seal Inc Dba Skf Precision Technologies), 6217 (Norfolk Naval Shipyard).

What NSN replaces 2815-00-273-0459?

There are 12 known substitutes for 2815-00-273-0459: 3110-00-144-8931, 5305-00-145-6807, 4320-00-174-3373 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of R34449?

Key specifications for R34449: Standard Bore Diameter: 3.625 INCHES IN; Oil Passage Type and Quantity: 10 SLOT HORIZONTALLY THROUGH RING; Radial Wall Thickness: 0.1450 INCHES MINIMUM AND 0.1550 INCHES MAXIMUM IN; Overall Width: 0.1860 INCHES NOMINAL IN. 9 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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