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 6240-01-580-1345
NSN 5895-01-530-1485
NSN 6105-01-530-7969
NSN 5960-01-278-9394
NSN 5895-01-457-7886
NSN 5930-01-112-7490
NSN 6650-00-346-8672
NSN 6110-01-519-9131
NSN 2925-01-380-0869
NSN 6685-01-257-5718
NSN 5999-01-147-0510
NSN 5855-01-328-7434