AquaLung Legend LX 1st and 2nd Stage Service Parts

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I've been servicing my own Legend LX for several years and use slightly different orings in a few places than are listed in this thread. In particular, there are a few orings that I believe are metric sizes which have been approximated with AS568 orings in the original post. My size list is based on careful measurement/ comparison to OEM orings (from Aqualung service kits), as well as cross referencing information posted in other DIY service threads. I typically use 70 duro unless otherwise noted.

First Stage:
824407 - Metric 11.0x2.0 [IDxCS,mm]
820080 - AS568 -006, 90 duro
119129 - AS568 -006 backup ring (I have always used a -006 backup ring, although others reference a -005 here as well.)
820038 - Metric 7.2x1.9 [IDxCS,mm]
820011 - AS568 -011
820009 - AS568 -009
820072 - AS568 -904, 90 duro (I believe this is the appropriate oring for the boss style port fitting. Others reportedly use BS -611 (8.73x1.78) or even AS568 -012 with success.)

Second Stage:
820015 - AS568 -015
820010 - AS568 -010
AP1438 - AS568 -019
AP2041 - British series 606 (I have also used metric 1.8x1.0 [IDxCS,mm] here without issue. The originally referenced AS568 -001-1/2 is of a similar size.)
820306 - AS568 -006
820014 - AS568 -014
820011 - AS568 -011
 

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