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 6105-00-058-1153
NSN 5835-01-012-7667
NSN 5996-01-318-7738
NSN 5895-01-560-9476
NSN 6650-00-144-4555
NSN 5910-00-139-8985
NSN 6150-00-232-3145
NSN 5975-00-891-9738
NSN 6110-00-361-6510
NSN 5930-01-085-4573
NSN 6135-01-451-2120
NSN 6145-01-160-7658