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 5998-01-031-9145
NSN 5910-01-096-1946
NSN 5920-00-269-4060
NSN 5855-00-797-8217
NSN 5985-01-442-0997
NSN 2925-01-172-0176
NSN 5965-00-728-6734
NSN 6650-01-472-6753
NSN 6135-01-393-4746
NSN 5920-01-158-2684
NSN 5935-00-941-9695
NSN 5935-00-677-0149