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.
NSN 6645-01-063-3371
NSN 7035-00-803-3056
NSN 6110-00-625-8643
NSN 6240-00-869-5079
NSN 5910-01-552-2271
NSN 5950-01-088-5996
NSN 5915-01-649-7946
NSN 5855-00-797-8217
NSN 5925-01-154-6796
NSN 5990-01-022-6592
NSN 5975-01-097-4705
NSN 5960-01-323-6432