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 6650-00-307-3437
NSN 2925-01-156-9570
NSN 6145-01-581-4128
NSN 5990-01-251-7313
NSN 6130-00-587-7062
NSN 4140-01-286-6959
NSN 5835-01-442-6079
NSN 5975-01-085-1729
NSN 5950-01-020-9160
NSN 5985-00-983-7388
NSN 6105-01-242-9210
NSN 6610-01-316-8902