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 5965-01-028-6206
NSN 5925-01-106-3641
NSN 6645-00-425-6199
NSN 6150-00-816-3467
NSN 5990-00-952-6742
NSN 5996-01-051-5299
NSN 6105-00-826-9666
NSN 6645-00-792-1805
NSN 5950-01-210-7109
NSN 5920-01-337-2343
NSN 6130-01-117-0441
NSN 2925-00-906-0421