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 5945-01-163-7684
NSN 2925-01-259-7092
NSN 5996-00-625-5410
NSN 2925-01-323-4235
NSN 5920-00-251-3561
NSN 5920-01-157-9471
NSN 5945-01-608-8961
NSN 5895-01-536-1098
NSN 6645-01-525-7493
NSN 6685-01-634-0611
NSN 5965-01-341-6545
NSN 5950-01-147-5416