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 6650-01-528-3890
NSN 6110-01-452-7366
NSN 5950-00-298-2042
NSN 6110-01-412-2133
NSN 6110-01-546-8179
NSN 5960-00-082-3973
NSN 6145-01-535-2849
NSN 5915-00-753-7553
NSN 5975-00-097-6945
NSN 6135-01-196-2135
NSN 5998-00-421-3681
NSN 6685-01-109-8769