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 6105-00-303-9756
NSN 5925-01-345-5513
NSN 5895-01-213-9043
NSN 6620-01-423-5875
NSN 5910-01-551-9571
NSN 6650-01-605-7744
NSN 6110-01-453-3411
NSN 6645-01-633-1852
NSN 5910-01-579-6633
NSN 7035-01-621-9471
NSN 6135-01-077-5705
NSN 5855-00-138-2386