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 5998-00-945-2186
NSN 6610-01-409-1781
NSN 5985-00-462-9896
NSN 6610-01-657-1773
NSN 5945-01-026-8859
NSN 6610-01-587-6068
NSN 6650-00-991-8434
NSN 5950-01-451-8348
NSN 7035-01-076-4067
NSN 5925-01-246-8700
NSN 6645-01-607-5999
NSN 6650-01-105-5608