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 4140-00-818-5734
NSN 6145-01-604-3295
NSN 5950-01-379-7016
NSN 5905-01-020-7683
NSN 7035-01-462-1957
NSN 5999-00-973-9115
NSN 5975-01-415-2869
NSN 5960-01-573-6483
NSN 5855-01-224-7975
NSN 5895-01-565-8216
NSN 5990-00-897-7785
NSN 6220-00-512-9472