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 6145-01-656-3903
NSN 5999-01-127-7786
NSN 6620-00-355-1734
NSN 6685-01-184-6856
NSN 5905-00-161-5184
NSN 5998-01-579-6818
NSN 6145-00-949-3331
NSN 6685-00-785-2783
NSN 5895-01-021-3598
NSN 5998-01-116-4569
NSN 5920-01-214-0451
NSN 5855-01-446-1936