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 6105-01-574-5913
NSN 5910-01-470-3511
NSN 5960-00-204-7506
NSN 5920-01-120-9817
NSN 5945-01-551-9485
NSN 6130-01-211-0224
NSN 5999-00-299-1207
NSN 5910-00-521-7886
NSN 5905-01-337-7224
NSN 6105-00-739-7957
NSN 6320-01-267-7990
NSN 6685-01-089-9606