PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2D2565O-Ring

Caterpillar Inc Div Caterpillar Defense · NSN 5331-00-815-4046 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-815-4046 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-815-4046. Primary manufacturer part number: 2D2565.
Features
  • O-Ring — FSC 5331
  • Cross-Sectional Height: 0.260 INCHES NOMINAL IN
  • Center Hole Diameter: 22.4 INCHES NOMINAL IN
  • Material: RUBBER SYNTHETIC
  • Outside Diameter: 22.92 INCHES NOMINAL IN
  • 18 verified cross-references
  • Primary manufacturer: Caterpillar Inc Div Caterpillar Defense
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Synthetic construction
General Description

The O-Ring, cataloged under National Stock Number 5331-00-815-4046, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 18 commercial cross-references from 13 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5331-00-815-4046
Primary Part Number2D2565
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerCaterpillar Inc Div Caterpillar Defense
StatusCANCELLED
Cross-Sectional Height0.260 INCHES NOMINAL IN
Center Hole Diameter22.4 INCHES NOMINAL IN
MaterialRUBBER SYNTHETIC
Outside Diameter22.92 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
5950-00-724-835963910-001-1 INTERCHANGEABLE
Reactor
Textron Systems Corporation Dba Textron Systems Corp
5962-01-178-241142754 INTERCHANGEABLE
Microcircuit,memory
Raytheon Company Div Rmd Strategic
5950-01-350-1234H940098-003B INTERCHANGEABLE
Coil,radio Frequency
Raytheon Company Dba Raytheon
4320-01-570-243842754 INTERCHANGEABLE
Pump,centrifugal
Generac Mobile Products, Llc
Cross-Reference Index
Part NumberManufacturer
4275-4 Zf Industrieantriebe Witten Gmbh (DEU)
LT152-6 Zf Industrieantriebe Witten Gmbh (DEU)
941329 Clark Equipment Co (USA)
LT-157-6 Pettibone Llc (USA)
941329 Dana Off Highway Products, Llc (USA)
941329 Vme Americas Inc Sub of Vme Group N V (USA)
0R88T5 Bridgestone Americas Tire Operations, Llc (USA)
LT157-6 Zf Industrieantriebe Witten Gmbh (DEU)
RC35478-4 Bridgestone Americas Tire Operations, Llc (USA)
0R88T5 Accuride Corporation Dba Accuride Distributing Llc (USA)
08224TG Goodyear Tire and Rubber Co the (USA)
0R224TG Goodyear Tire and Rubber Co the (USA)
9190700 Terex Corp (USA)
182MCD1 Linde Lift Truck Corp. (USA)
2D2565 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
RC35478-4 Accuride Corporation Dba Accuride Distributing Llc (USA)
HEUPO1438 Michelin North America, Inc Div Michelin Aircraft Tire Company (USA)
P66471 Athey Products Corp (USA)
Related Parts
5950-00-724-8359INTERCHANGEABLE
REACTOR
63910-001-1
5962-01-178-2411INTERCHANGEABLE
MICROCIRCUIT,MEMORY
42754
5950-01-350-1234INTERCHANGEABLE
COIL,RADIO FREQUENCY
H940098-003B
4320-01-570-2438INTERCHANGEABLE
PUMP,CENTRIFUGAL
42754

Frequently Asked Questions

What is NSN 5331-00-815-4046?

NSN 5331-00-815-4046 is a O-Ring, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5331 (O-Ring). Status: cancelled.

What are the part numbers for NSN 5331-00-815-4046?

NSN 5331-00-815-4046 has 18 cross-referenced part numbers: 4275-4 (Zf Industrieantriebe Witten Gmbh), LT152-6 (Zf Industrieantriebe Witten Gmbh), 941329 (Clark Equipment Co), LT-157-6 (Pettibone Llc), 941329 (Dana Off Highway Products, Llc) and 13 more.

What NSN replaces 5331-00-815-4046?

There are 4 known substitutes for 5331-00-815-4046: 5950-00-724-8359, 5962-01-178-2411, 5950-01-350-1234 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2D2565?

Key specifications for 2D2565: Cross-Sectional Height: 0.260 INCHES NOMINAL IN; Center Hole Diameter: 22.4 INCHES NOMINAL IN; Material: RUBBER SYNTHETIC; Outside Diameter: 22.92 INCHES NOMINAL IN. 4 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5331-00-815-4046 still in active supply?

NSN 5331-00-815-4046 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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