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 5895-00-477-7823
NSN 5945-01-521-2216
NSN 6320-00-036-3688
NSN 5915-01-013-8995
NSN 5905-00-111-2214
NSN 5985-00-411-5161
NSN 6105-00-888-9977
NSN 6240-01-648-0114
NSN 5996-01-323-7763
NSN 6145-01-450-3977
NSN 5950-01-314-5431
NSN 5950-01-568-5324