PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2H6184O-Ring

Caterpillar Inc Div Caterpillar Defense · NSN 5331-00-339-6220 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-339-6220 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-339-6220. Primary manufacturer part number: 2H6184.
Features
  • O-Ring — FSC 5331
  • Material: RUBBER SYNTHETIC
  • Cross-Sectional Height: 0.125 INCHES NOMINAL IN
  • 3 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 5331-00-339-6220, 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 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-00-339-6220
Primary Part Number2H6184
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerCaterpillar Inc Div Caterpillar Defense
StatusACTIVE
MaterialRUBBER SYNTHETIC
Cross-Sectional Height0.125 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5331-00-663-57092-250N951-75 INTERCHANGEABLE
O-Ring
Parker-Hannifin Corp Div O-Ring Division
5815-00-676-6939154089 INTERCHANGEABLE
Post,spring,teletype
Telemechanics Inc
5950-01-305-8641154089 INTERCHANGEABLE
Coil,radio Frequency
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
5365-01-324-4023154089 INTERCHANGEABLE
Bushing,machine Thread
Somerville Thos Co
7035-01-506-6664154089 INTERCHANGEABLE
Programmer,electronic Command Si
United States Department of Us Army Peo Stri /simulation,training, Instrumentation/
Cross-Reference Index
Part NumberManufacturer
154089 Eaton Aerospace, Llc Dba Jackson South (USA)
5F3106 Zf Industrieantriebe Witten Gmbh (DEU)
2H6184 PRIMARY Caterpillar Inc Div Caterpillar Defense (USA)
Related Parts
5331-00-663-5709INTERCHANGEABLE
O-RING
2-250N951-75
5815-00-676-6939INTERCHANGEABLE
POST,SPRING,TELETYPE
154089
5950-01-305-8641INTERCHANGEABLE
COIL,RADIO FREQUENCY
154089
5365-01-324-4023INTERCHANGEABLE
BUSHING,MACHINE THREAD
154089
7035-01-506-6664INTERCHANGEABLE
PROGRAMMER,ELECTRONIC COMMAND SI
154089

Frequently Asked Questions

What is NSN 5331-00-339-6220?

NSN 5331-00-339-6220 is a O-Ring, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-00-339-6220?

NSN 5331-00-339-6220 has 3 cross-referenced part numbers: 154089 (Eaton Aerospace, Llc Dba Jackson South), 5F3106 (Zf Industrieantriebe Witten Gmbh), 2H6184 (Caterpillar Inc Div Caterpillar Defense).

What NSN replaces 5331-00-339-6220?

There are 5 known substitutes for 5331-00-339-6220: 5331-00-663-5709, 5815-00-676-6939, 5950-01-305-8641 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2H6184?

Key specifications for 2H6184: Material: RUBBER SYNTHETIC; Cross-Sectional Height: 0.125 INCHES NOMINAL IN. 2 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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