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 5930-01-259-2692
NSN 5960-01-512-0233
NSN 6150-00-263-3451
NSN 6685-01-557-4868
NSN 6620-01-082-7326
NSN 5925-01-431-8088
NSN 5998-00-144-8211
NSN 5975-01-073-0763
NSN 5985-01-445-9659
NSN 6240-00-368-8541
NSN 6145-01-545-8472
NSN 6620-00-679-5830