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 6645-01-286-9872
NSN 6240-00-523-3618
NSN 5905-01-050-5665
NSN 5965-00-529-0602
NSN 6320-01-600-0787
NSN 5990-01-147-5225
NSN 6135-01-180-4588
NSN 6150-01-576-9660
NSN 5998-01-160-1931
NSN 5950-01-514-0771
NSN 5895-00-137-6368
NSN 5895-01-448-5023