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 6645-01-017-7593
NSN 6145-00-841-2913
NSN 6105-01-039-8305
NSN 6650-01-290-4001
NSN 6135-01-218-3660
NSN 5990-01-442-3520
NSN 6220-00-510-7899
NSN 5965-00-167-7659
NSN 6105-01-468-5605
NSN 5905-01-098-9780
NSN 5855-00-408-2611
NSN 5905-01-376-5271