PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AS568B-230O-Ring

Sae International Dba Sae International · NSN 5331-00-618-6112 · FSC 5331 · O-Ring
Verified by PartsTable
NSN 5331-00-618-6112 — this item is cataloged by the U.S. Government under National Stock Number 5331-00-618-6112. Primary manufacturer part number: AS568B-230.
Features
  • O-Ring — FSC 5331
  • Material: RUBBER SILICONE CLASS Q
  • Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
  • Outside Diameter: 2.762 INCHES NOMINAL IN
  • Center Hole Diameter: 2.474 INCHES MINIMUM AND 2.494 INCHES MAXIMUM IN
  • 4 verified cross-references
  • Primary manufacturer: Sae International Dba Sae International
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 5331-00-618-6112, 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 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5331-00-618-6112
Primary Part NumberAS568B-230
Item NameO-Ring
FSC / FSG5331 / 53 — O-Ring
ManufacturerSae International Dba Sae International
StatusACTIVE
MaterialRUBBER SILICONE CLASS Q
Cross-Sectional Height0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN
Outside Diameter2.762 INCHES NOMINAL IN
Center Hole Diameter2.474 INCHES MINIMUM AND 2.494 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5331-00-333-43841H5728 INTERCHANGEABLE
O-Ring
Caterpillar Inc Div Caterpillar Defense
Cross-Reference Index
Part NumberManufacturer
346149ALT2PCALL Bendix Corp the (USA)
3037F1-000PC120 Borg-Warner Corp (USA)
AS568B-230 Society of Automotive Engineers Inc (USA)
AS568B-230 PRIMARY Sae International Dba Sae International (USA)
Related Parts
5331-00-333-4384INTERCHANGEABLE
O-RING
1H5728

Frequently Asked Questions

What is NSN 5331-00-618-6112?

NSN 5331-00-618-6112 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 5331-00-618-6112?

NSN 5331-00-618-6112 has 4 cross-referenced part numbers: 346149ALT2PCALL (Bendix Corp the), 3037F1-000PC120 (Borg-Warner Corp), AS568B-230 (Society of Automotive Engineers Inc), AS568B-230 (Sae International Dba Sae International).

What NSN replaces 5331-00-618-6112?

There is 1 known substitute for 5331-00-618-6112: 5331-00-333-4384. Verify interchangeability with system specifications before substitution.

What are the specifications of AS568B-230?

Key specifications for AS568B-230: Material: RUBBER SILICONE CLASS Q; Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN; Outside Diameter: 2.762 INCHES NOMINAL IN; Center Hole Diameter: 2.474 INCHES MINIMUM AND 2.494 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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