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 6645-01-452-9495
NSN 6145-01-012-0185
NSN 5920-01-453-7523
NSN 5925-00-912-9343
NSN 6145-01-227-5246
NSN 5925-01-268-0426
NSN 6110-00-253-1881
NSN 6105-01-391-7124
NSN 5925-01-272-6110
NSN 5960-01-457-0157
NSN 5855-01-569-4057
NSN 5965-01-576-1868