PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AS568-227O-Ring

Sae International Dba Sae International · NSN 5331-01-486-1729 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-486-1729 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-486-1729. Primary manufacturer part number: AS568-227.
Features
  • O-Ring — FSC 5331
  • Center Hole Diameter: 2.091 INCHES MINIMUM AND 2.127 INCHES MAXIMUM IN
  • Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
  • 7 verified cross-references
  • Primary manufacturer: Sae International Dba Sae International
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
General Description

The O-Ring, cataloged under National Stock Number 5331-01-486-1729, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Sae International Dba Sae International. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-01-486-1729
Primary Part NumberAS568-227
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerSae International Dba Sae International
StatusACTIVE
Center Hole Diameter2.091 INCHES MINIMUM AND 2.127 INCHES MAXIMUM IN
Cross-Sectional Height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5331-00-599-0071 INTERCHANGEABLE
O-Ring
5331-01-148-7490 INTERCHANGEABLE
O-Ring
5331-01-385-9503 INTERCHANGEABLE
O-Ring
Cross-Reference Index
Part NumberManufacturer
4-2604-50A Safran Aerosystems Ex Safran Aerosystems Fluid (FRA)
AS568-227 PRIMARY Sae International Dba Sae International (USA)
4-2604-50A Safran Aerosystems Ex Safran Aerotechnics Plaisir (FRA)
MS33666-227 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
AS568-227/MILP25732 Society of Automotive Engineers Inc (USA)
AS568-227/MILP25732 Sae International Dba Sae International (USA)
AS568-227 Society of Automotive Engineers Inc (USA)
Related Parts
5331-00-599-0071INTERCHANGEABLE
O-RING
5331-01-148-7490INTERCHANGEABLE
O-RING
5331-01-385-9503INTERCHANGEABLE
O-RING

Frequently Asked Questions

What is NSN 5331-01-486-1729?

NSN 5331-01-486-1729 is a O-Ring, manufactured by Sae International Dba Sae International, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-486-1729?

NSN 5331-01-486-1729 has 7 cross-referenced part numbers: 4-2604-50A (Safran Aerosystems Ex Safran Aerosystems Fluid), AS568-227 (Sae International Dba Sae International), 4-2604-50A (Safran Aerosystems Ex Safran Aerotechnics Plaisir), MS33666-227 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), AS568-227/MILP25732 (Society of Automotive Engineers Inc) and 2 more.

What NSN replaces 5331-01-486-1729?

There are 3 known substitutes for 5331-01-486-1729: 5331-00-599-0071, 5331-01-148-7490, 5331-01-385-9503. Verify interchangeability with system specifications before substitution.

What are the specifications of AS568-227?

Key specifications for AS568-227: Center Hole Diameter: 2.091 INCHES MINIMUM AND 2.127 INCHES MAXIMUM IN; Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM 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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