It was issued in 1998 to supersede mil hdbk 695 as the aerospace industry standard in governing o rings and molded seals shelf life.
Nitrile o ring shelf life.
Hydrogenated nitrile hnbr or hsn hnbr 15 years hypalon 5 years nitrile buna n or nbr nbr 20 years nylon 5 years polyacrylate acm 15 years.
Seal design carries standard and metric o ring sizes.
Elastomer and o ring shelf life recommendation summary with proper storage.
The shelf life of each polymer family as practiced by parker o ring and engineered seals division is listed below.
Hydrogenated nitrile hnbr and polyacrylate rubbers acm aem.
The society of aerospace engineers sae issued aerospace recommended practice arp 5316.
Arp 5316 elastomer shelf life recommendation.
O ring shelf life compliance standard.
Learn more about the shelf life of different types of o ring materials.
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Experience demonstrates that storage conditions impact the useful life of o rings than generalized shelf life time.
Sae arp5316 is the most widely referenced guide for data recording procedures packaging and storing of aerospace elastomeric seals.