PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AS568-041O-Ring

Society of Automotive Engineers Inc · NSN 5331-00-869-4221 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-869-4221 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-869-4221. Primary manufacturer part number: AS568-041.
Features
  • O-Ring — FSC 5331
  • Outside Diameter: 3.129 INCHES NOMINAL IN
  • Material: RUBBER SILICONE CLASS Q
  • Center Hole Diameter: 2.947 INCHES MINIMUM AND 3.004 INCHES MAXIMUM IN
  • Cross-Sectional Height: 0.070 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
  • 4 verified cross-references
  • Primary manufacturer: Society of Automotive Engineers Inc
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 5331-00-869-4221, 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 4 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-00-869-4221
Primary Part NumberAS568-041
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerSociety of Automotive Engineers Inc
StatusACTIVE
Outside Diameter3.129 INCHES NOMINAL IN
MaterialRUBBER SILICONE CLASS Q
Center Hole Diameter2.947 INCHES MINIMUM AND 3.004 INCHES MAXIMUM IN
Cross-Sectional Height0.070 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5331-00-059-3113 INTERCHANGEABLE
O-Ring
9320-00-069-3303 INTERCHANGEABLE
Rubber Sheet,solid
Cross-Reference Index
Part NumberManufacturer
AS568-041 Society of Automotive Engineers Inc (USA)
AS568-041 Sae International Dba Sae International (USA)
A-A-59588 CL2A GR40 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
ARP568-041ZZR765CLASS2AGRADE40 Society of Automotive Engineers Inc (USA)
Related Parts
5331-00-059-3113INTERCHANGEABLE
O-RING
9320-00-069-3303INTERCHANGEABLE
RUBBER SHEET,SOLID

Frequently Asked Questions

What is NSN 5331-00-869-4221?

NSN 5331-00-869-4221 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 5331-00-869-4221?

NSN 5331-00-869-4221 has 4 cross-referenced part numbers: AS568-041 (Society of Automotive Engineers Inc), AS568-041 (Sae International Dba Sae International), A-A-59588 CL2A GR40 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), ARP568-041ZZR765CLASS2AGRADE40 (Society of Automotive Engineers Inc).

What NSN replaces 5331-00-869-4221?

There are 2 known substitutes for 5331-00-869-4221: 5331-00-059-3113, 9320-00-069-3303. Verify interchangeability with system specifications before substitution.

What are the specifications of AS568-041?

Key specifications for AS568-041: Outside Diameter: 3.129 INCHES NOMINAL IN; Material: RUBBER SILICONE CLASS Q; Center Hole Diameter: 2.947 INCHES MINIMUM AND 3.004 INCHES MAXIMUM IN; Cross-Sectional Height: 0.070 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN. 4 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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