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 6610-01-495-0596
NSN 5945-00-763-8698
NSN 5950-01-196-9621
NSN 5950-01-299-2483
NSN 6685-00-887-3441
NSN 4140-00-816-8820
NSN 5990-00-485-7600
NSN 6105-01-182-2161
NSN 6145-01-494-8591
NSN 5910-00-252-7130
NSN 5930-01-155-3124
NSN 5835-01-034-1255