2.047 in. Lg; 0.690 in. Hex
An item 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 is specifically designed and/or cleaned for oxygen systems. See also valve, check; valve, stop-check.
NSN 5999-01-304-9945
NSN 5965-01-279-1075
NSN 5998-01-111-8946
NSN 5930-01-578-8197
NSN 6135-00-203-9645
NSN 5910-00-357-0988
NSN 5910-01-140-7465
NSN 5996-01-456-0488
NSN 6130-00-097-7255
NSN 5998-00-606-8813
NSN 5950-01-481-3116
NSN 5950-01-268-1813