Third end ms33656 for 5/16 in. Od tubing; oxygen cleaning required per air force drawing or equivalent spec.
A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.
Classification: Check valves of copper having a pressure rating of 850 kpa or over
NSN 5965-01-433-1974
NSN 5915-00-840-8508
NSN 6650-01-145-5663
NSN 6320-00-853-1920
NSN 5935-00-264-0136
NSN 6150-01-497-9533
NSN 5965-00-356-3838
NSN 6145-01-368-0761
NSN 6645-01-280-5395
NSN 6135-00-299-6918
NSN 2925-01-333-6346
NSN 6320-00-937-5625