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 6135-01-062-9356
NSN 6240-01-434-9656
NSN 5975-00-276-7559
NSN 6685-01-411-1380
NSN 5965-01-576-1868
NSN 6130-01-242-9778
NSN 5895-00-717-6158
NSN 5905-01-199-1312
NSN 6110-01-356-8176
NSN 5990-01-258-3848
NSN 6130-01-597-7041
NSN 5925-01-012-0764