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 6645-01-012-5972
NSN 6685-01-483-1163
NSN 6320-00-445-1187
NSN 5925-00-089-4438
NSN 6150-01-497-5508
NSN 5910-01-024-2766
NSN 6150-01-368-5202
NSN 6645-01-483-1518
NSN 5985-01-085-5573
NSN 5998-01-118-6400
NSN 5895-01-224-0104
NSN 5999-00-495-6850