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18 votes
18 votes
An o ring intended for use in a hydraulic system using MIL-H-5606 (mineral base) fluid will be marked with

User Daniel Jonsson
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22 votes
22 votes

An o ring intended for use in a hydraulic system using MIL-H-5606 (mineral base) fluid will be marked with a blue stripe or dot.

User Joakim Lundborg
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