PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AS568B-223O-Ring

Society of Automotive Engineers Inc · NSN 5331-01-219-0454 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-01-219-0454 — this item is cataloged by the U.S. Government under National Stock Number 5331-01-219-0454. Primary manufacturer part number: AS568B-223.
Features
  • O-Ring — FSC 5331
  • Temp Rating: -85.0 FAHRENHEIT AND 401.0 FAHRENHEIT DEGF
  • Material: RUBBER SILICONE CLASS Q
  • Reference Number Differentiating Characteristics: AS DIFFERENTIATED BY MATERIAL WHICH MUST CONFORM TO SHIPS PARTS CONTROL CENTER SPECIAL QUALITY CONTROL PROVISIONS AND CERTIFIED FREE FROM MERCURY CONTAMINATION
  • Hardness Rating: 50.0 SHORE DUROMETER A NOMINAL
  • Center Hole Diameter: 1.594 INCHES MINIMUM AND 1.624 INCHES MAXIMUM IN
  • Criticality Code Justification: ZZZY
  • Outside Diameter: 1.887 INCHES NOMINAL IN
Applications
  • Fluid containment and leak prevention
  • Pressure boundary maintenance
  • Environmental sealing
  • Applications requiring Rubber Silicone Class Q construction
General Description

The O-Ring, cataloged under National Stock Number 5331-01-219-0454, is classified within Federal Supply Class 5331 (O-Ring) of the Hardware and Abrasives group. The primary manufacturer of record is Society of Automotive Engineers Inc. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 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
NSN5331-01-219-0454
Primary Part NumberAS568B-223
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerSociety of Automotive Engineers Inc
StatusACTIVE
Temp Rating-85.0 FAHRENHEIT AND 401.0 FAHRENHEIT DEGF
MaterialRUBBER SILICONE CLASS Q
Reference Number Differentiating CharacteristicsAS DIFFERENTIATED BY MATERIAL WHICH MUST CONFORM TO SHIPS PARTS CONTROL CENTER SPECIAL QUALITY CONTROL PROVISIONS AND CERTIFIED FREE FROM MERCURY CONTAMINATION
Hardness Rating50.0 SHORE DUROMETER A NOMINAL
Center Hole Diameter1.594 INCHES MINIMUM AND 1.624 INCHES MAXIMUM IN
Criticality Code JustificationZZZY
Outside Diameter1.887 INCHES NOMINAL IN
Cross-Sectional Height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5331-00-987-3393 INTERCHANGEABLE
O-Ring
5331-01-040-1014 INTERCHANGEABLE
O-Ring
5330-01-171-3990AS586B-007 INTERCHANGEABLE
Packing,preformed
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
AS568B-223 Society of Automotive Engineers Inc (USA)
AS568B-223 Sae International Dba Sae International (USA)
AMS3303J Society of Automotive Engineers Inc (USA)
2-223S613-60 Parker-Hannifin Corp Div O-Ring Division (USA)
Related Parts
5331-00-987-3393INTERCHANGEABLE
O-RING
5331-01-040-1014INTERCHANGEABLE
O-RING
5330-01-171-3990INTERCHANGEABLE
PACKING,PREFORMED
AS586B-007

Frequently Asked Questions

What is NSN 5331-01-219-0454?

NSN 5331-01-219-0454 is a O-Ring, manufactured by Society of Automotive Engineers Inc, classified under FSC 5331 (O-Ring). Status: active.

What are the part numbers for NSN 5331-01-219-0454?

NSN 5331-01-219-0454 has 4 cross-referenced part numbers: AS568B-223 (Society of Automotive Engineers Inc), AS568B-223 (Sae International Dba Sae International), AMS3303J (Society of Automotive Engineers Inc), 2-223S613-60 (Parker-Hannifin Corp Div O-Ring Division).

What NSN replaces 5331-01-219-0454?

There are 3 known substitutes for 5331-01-219-0454: 5331-00-987-3393, 5331-01-040-1014, 5330-01-171-3990. Verify interchangeability with system specifications before substitution.

What are the specifications of AS568B-223?

Key specifications for AS568B-223: Temp Rating: -85.0 FAHRENHEIT AND 401.0 FAHRENHEIT DEGF; Material: RUBBER SILICONE CLASS Q; Reference Number Differentiating Characteristics: AS DIFFERENTIATED BY MATERIAL WHICH MUST CONFORM TO SHIPS PARTS CONTROL CENTER SPECIAL QUALITY CONTROL PROVISIONS AND CERTIFIED FREE FROM MERCURY CONTAMINATION; Hardness Rating: 50.0 SHORE DUROMETER A NOMINAL. 8 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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