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 6110-00-777-8749
NSN 6240-01-415-6004
NSN 5965-01-059-4028
NSN 6685-01-386-1887
NSN 6240-01-199-3073
NSN 4140-01-331-2234
NSN 5990-01-116-2181
NSN 5950-00-941-8246
NSN 5975-00-983-5239
NSN 5996-01-459-5310
NSN 6150-01-044-3377
NSN 6105-01-562-0593