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 6110-01-286-7546
NSN 6110-00-247-0211
NSN 6650-01-412-1040
NSN 6135-00-777-5562
NSN 5999-01-267-7168
NSN 5920-01-025-5863
NSN 6685-01-100-7220
NSN 6610-01-339-5254
NSN 5998-01-446-9117
NSN 6150-01-325-4341
NSN 7035-00-104-7613
NSN 5960-01-005-2568