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 6320-00-004-9158
NSN 5996-01-350-4139
NSN 6150-00-596-9882
NSN 6130-00-932-9617
NSN 5915-00-182-8068
NSN 6645-01-199-0062
NSN 5975-00-147-4791
NSN 5905-01-423-7329
NSN 6240-01-088-0389
NSN 5925-00-361-1943
NSN 6685-01-302-9728
NSN 5935-00-812-1262