PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2J8163O-Ring

Caterpillar Inc Div Caterpillar Defense · NSN 5331-00-950-8217 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-950-8217 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-950-8217. Primary manufacturer part number: 2J8163.
Features
  • O-Ring — FSC 5331
  • Center Hole Diameter: 4.594 INCHES MINIMUM AND 4.624 INCHES MAXIMUM IN
  • Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
  • Material: RUBBER SYNTHETIC
  • 5 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 5331-00-950-8217, 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 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5331-00-950-8217
Primary Part Number2J8163
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerCaterpillar Inc Div Caterpillar Defense
StatusCANCELLED
Center Hole Diameter4.594 INCHES MINIMUM AND 4.624 INCHES MAXIMUM IN
Cross-Sectional Height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
MaterialRUBBER SYNTHETIC
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
4730-00-289-0051SAE J246 8-6 120202BA INTERCHANGEABLE
Elbow,pipe to Tube
Sae International Dba Sae International
5950-00-421-2976154101 INTERCHANGEABLE
Transformer,power
Raytheon Company Dba Raytheon Co
5815-00-676-6942154101 INTERCHANGEABLE
Plate,rear,teletypewriter
Telemechanics Inc
4730-00-736-9436 INTERCHANGEABLE
Elbow,pipe to Tube
5985-00-993-9085 INTERCHANGEABLE
Attenuator,variable
5340-01-150-1368154101 INTERCHANGEABLE
Standoff,threaded,spacing
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
4820-01-219-14311541-01 INTERCHANGEABLE
Seat,valve
Lawler Manufacturing Company, Inc.
6220-01-496-9873154101 INTERCHANGEABLE
Light Source,autoco
United States Department of Us Army Peo Stri /simulation,training, Instrumentation/
5340-01-595-7552215709-01 INTERCHANGEABLE
Bracket,mounting
Datapath, Inc. Dba Datapath Inc
4730-01-725-71051541-01 INTERCHANGEABLE
Union,pipe
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
Cross-Reference Index
Part NumberManufacturer
154101 Eaton Aerospace, Llc Dba Jackson South (USA)
215709 Zf Industrieantriebe Witten Gmbh (DEU)
2J-8163 Pon Equipment B.v. (NLD)
2J8163 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
IPD2J8163 Industrial Parts Depot, Llc Dba Ipd (USA)
Related Parts
4730-00-289-0051INTERCHANGEABLE
ELBOW,PIPE TO TUBE
SAE J246 8-6 120202BA
5950-00-421-2976INTERCHANGEABLE
TRANSFORMER,POWER
154101
5815-00-676-6942INTERCHANGEABLE
PLATE,REAR,TELETYPEWRITER
154101
4730-00-736-9436INTERCHANGEABLE
ELBOW,PIPE TO TUBE
5985-00-993-9085INTERCHANGEABLE
ATTENUATOR,VARIABLE
5340-01-150-1368INTERCHANGEABLE
STANDOFF,THREADED,SPACING
154101
4820-01-219-1431INTERCHANGEABLE
SEAT,VALVE
1541-01
6220-01-496-9873INTERCHANGEABLE
LIGHT SOURCE,AUTOCO
154101
5340-01-595-7552INTERCHANGEABLE
BRACKET,MOUNTING
215709-01
4730-01-725-7105INTERCHANGEABLE
UNION,PIPE
1541-01

Frequently Asked Questions

What is NSN 5331-00-950-8217?

NSN 5331-00-950-8217 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 5331-00-950-8217?

NSN 5331-00-950-8217 has 5 cross-referenced part numbers: 154101 (Eaton Aerospace, Llc Dba Jackson South), 215709 (Zf Industrieantriebe Witten Gmbh), 2J-8163 (Pon Equipment B.v.), 2J8163 (Caterpillar Inc Div Caterpillar Defense), IPD2J8163 (Industrial Parts Depot, Llc Dba Ipd).

What NSN replaces 5331-00-950-8217?

There are 10 known substitutes for 5331-00-950-8217: 4730-00-289-0051, 5950-00-421-2976, 5815-00-676-6942 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2J8163?

Key specifications for 2J8163: Center Hole Diameter: 4.594 INCHES MINIMUM AND 4.624 INCHES MAXIMUM IN; Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN; Material: RUBBER SYNTHETIC. 3 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5331-00-950-8217 still in active supply?

NSN 5331-00-950-8217 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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