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 5855-01-547-6540
NSN 5965-00-147-3070
NSN 6150-00-233-5833
NSN 6645-00-859-7256
NSN 6130-00-217-1081
NSN 5930-01-379-9685
NSN 4140-01-519-7087
NSN 5945-01-570-7050
NSN 6610-01-396-2484
NSN 5985-01-027-0777
NSN 5950-00-224-2079
NSN 5975-00-189-0857