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 5855-00-821-7512
NSN 6220-01-617-2666
NSN 5925-01-233-9204
NSN 6130-01-143-0203
NSN 5925-01-313-3565
NSN 6130-01-196-0064
NSN 5930-01-434-3051
NSN 5895-00-168-7648
NSN 2925-00-491-3549
NSN 5835-01-138-4747
NSN 5905-01-286-2798
NSN 6645-01-071-0727