All references up to date
Engineering references, always at hand
Three reference tools and the vendor documents we use most — searchable, accurate, and one click away.
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Reference tools
Elastomer Material Reference
Compound families, chemical compatibility, mechanical properties, and the failure modes we see most often — no chart-flipping required.
Compatibility
Properties
Failure modes
Open reference
AS568 O-Ring Size Reference
All 349 standard sizes plus the 20 boss sizes, with ID, CS, and OD in inch and metric. Filter by series or jump straight to a dash number.
349 sizes
Inch + metric
Boss sizes
Open reference
Supplier & Product Reference
Approved vendors for every product category, with our internal call order — so you know who to ring first when something is needed urgently.
Approved sources
Call priority
QAL-7.4.1-3
Open reference
Vendor documents
Parker O-Ring Handbook
The full engineering reference — gland design, materials, applications. The book we keep going back to.
Parker Size Chart (Excerpt)
Just the size chart from the handbook — faster to open when you only need dimensions.
Apple Rubber AS568 Chart
A second-source size reference. Handy for cross-checking when something looks off.
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