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 5915-00-649-8763
NSN 6135-00-628-1142
NSN 6105-01-131-6596
NSN 6110-01-094-3907
NSN 6240-01-472-6726
NSN 2925-00-596-9775
NSN
NSN 6130-01-146-2141
NSN 6130-00-133-0354
NSN 6620-01-025-1443
NSN 5925-01-088-6863
NSN 6130-00-181-2494