Sae arp5316 is the most widely referenced guide for data recording procedures packaging and storing of aerospace elastomeric seals.
Viton o ring shelf life.
It was issued in 1998 to supersede mil hdbk 695 as the aerospace industry standard in governing o rings and molded seals shelf life.
The o ring specifications and shelf life for the most common o ring materials are provided below.
Key elements of the arp5316d standard include.
O ring engineered seals division 2360 palumbo drive lexington ky 40509 office 859 269 2351 reference.
Arp 5316 elastomer shelf life recommendation.
Previously known as arp5316 recommended practice this standard is based upon both.
Therefore an o ring with a 3 year shelf life would expire on april 1 2022 and so would the fitting unless a new o ring is properly installed.
Previously known as arp5316 recommended practice this standard is based upon both cumulative studies and industry input regarding practical storage limits and fifo requirements.
For instance if an o ring is cured on january 1 2019 it would have a cure date established as 1q19 and be considered to begin aging for the purposes of measuring expired shelf life on april 1 2019.
Experience demonstrates that storage conditions impact the useful life of o rings than generalized shelf life time.
Epco can provide any o ring material that is commercially available including buna viton epdm fluorosilicone and aflas.
Seal design carries standard and metric o ring sizes.
Elastomer and o ring shelf life recommendation summary with proper storage.
Elastomer and o ring shelf life is governed by sae international standard arp5316d that calls out all aspects of o ring shelf life.
Viton fkm 20 years fluorsilicone fvmq 20 years graphoil unlimited gum rubber 3 years gylon.
Temperature o rings need to be stored below 100f 38c and stored away from direct sunlight and sources of heat radiators heaters boilers and above 59f 15c.
The society of aerospace engineers sae issued aerospace recommended practice arp 5316.
O ring material shelf life overview global o ring and seal adheres to the sae international aerospace standard as5316 for all elastomer product shelf life and storage conditions.
Global o ring and seal adheres to the sae international aerospace standard as5316 for all elastomer product shelf life and storage conditions.
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O ring shelf life compliance standard.
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Zero leak gold standard plugs are supplied with the o ring installed.
