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 6145-00-993-8811
NSN 5999-01-310-4092
NSN 5990-01-548-5979
NSN 6645-00-070-6358
NSN 5996-01-643-4962
NSN 6685-01-434-8248
NSN 5950-01-039-8404
NSN 5985-00-738-5625
NSN 5999-01-363-8758
NSN 6650-00-411-4925
NSN 5975-00-059-3646
NSN 5950-01-474-1272