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 5965-00-226-2915
NSN 6610-01-415-1623
NSN 5930-01-139-3595
NSN 6145-00-939-4973
NSN 5996-00-248-7061
NSN 5895-00-134-3157
NSN 5990-00-851-4363
NSN 6645-00-543-6515
NSN 5999-00-360-6520
NSN 5996-00-222-9632
NSN 6620-00-045-8134
NSN 5960-01-250-1095