PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

230079079O-Ring

Leonardo S.p.a. - Electronics Division - Defence Business Area · NSN 5331-01-223-2668 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-223-2668 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-223-2668. Primary manufacturer part number: 230079079.
Features
  • O-Ring — FSC 5331
  • 7 verified cross-references
  • Primary manufacturer: Leonardo S.p.a. - Electronics Division - Defence Business Area
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-223-2668, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Leonardo S.p.a. - Electronics Division - Defence Business Area. This item has 7 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameO-Ring
FSC / FSG5331 — O-Ring (FSG 53)
ManufacturersLeonardo S.p.a. - Electronics Division - Defence Business Area (CAGE A0199); Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M (CAGE 96906); Sae International Dba Sae International (CAGE 0U583); Parker-Hannifin Corp Div O-Ring Division (CAGE 02697); Defense Logistics Agency Dba Defense Supply Center Philadelphia (CAGE 14153)
Technical Specifications
ParameterValue
NSN5331-01-223-2668
Primary Part Number230079079
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerLeonardo S.p.a. - Electronics Division - Defence Business Area
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5331-00-882-4963MS28775-149 INTERCHANGEABLE
O-Ring
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
230079079 Leonardo S.p.a. - Electronics Division - Defence Business Area (ITA)
MS28775-149 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MS28775-149 Sae International Dba Sae International (USA)
2-149N304-75 Parker-Hannifin Corp Div O-Ring Division (USA)
LL-HX4-4499 Defense Logistics Agency Dba Defense Supply Center Philadelphia (USA)
MS28775-149 Society of Automotive Engineers Inc (USA)
SAE-AS28775 Sae International Dba Sae International (USA)
Related Parts
5331-00-882-4963INTERCHANGEABLE
O-RING
MS28775-149

Frequently Asked Questions

What is NSN 5331-01-223-2668?

NSN 5331-01-223-2668 is a O-Ring, manufactured by Leonardo S.p.a. - Electronics Division - Defence Business Area, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-223-2668?

NSN 5331-01-223-2668 has 7 cross-referenced part numbers: 230079079 (Leonardo S.p.a. - Electronics Division - Defence Business Area), MS28775-149 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MS28775-149 (Sae International Dba Sae International), 2-149N304-75 (Parker-Hannifin Corp Div O-Ring Division), LL-HX4-4499 (Defense Logistics Agency Dba Defense Supply Center Philadelphia) and 2 more.

What NSN replaces 5331-01-223-2668?

There is 1 known substitute for 5331-01-223-2668: 5331-00-882-4963. Verify interchangeability with system specifications before substitution.

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