Key elements of the arp5316d standard include.
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 society of aerospace engineers sae issued aerospace recommended practice arp 5316.
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.
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.
Learn more about the shelf life of different types of o ring materials.
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The o ring specifications and shelf life for the most common o ring materials are provided below.
Global o ring and seal adheres to the sae international aerospace standard as5316 for all elastomer product shelf life and storage conditions.
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.
Arp 5316 elastomer shelf life recommendation.
Epco can provide any o ring material that is commercially available including buna viton epdm fluorosilicone and aflas.
Experience demonstrates that storage conditions impact the useful life of o rings than generalized shelf life time.
Previously known as arp5316 recommended practice this standard is based upon both cumulative studies and industry input regarding practical storage limits and fifo requirements.
1 28 2013 9 23 46 am.
Group x flurocarbon viton 10 years flurosilicone silicone misc ptfe no shelf life.
Elastomer and o ring shelf life is governed by sae international standard arp5316d that calls out all aspects of o ring shelf life.
O ring shelf life compliance standard.
Zero leak gold standard plugs are supplied with the o ring installed.
Previously known as arp5316 recommended practice this standard is based upon both.
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.
Sae arp5316 is the most widely referenced guide for data recording procedures packaging and storing of aerospace elastomeric seals.
O ring engineered seals division 2360 palumbo drive lexington ky 40509 office 859 269 2351 reference.
