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 5950-01-202-8456
NSN 6145-00-327-4770
NSN 5975-01-521-4068
NSN 6320-00-701-0437
NSN 6130-01-085-0723
NSN 5935-00-469-0387
NSN 5950-01-520-7173
NSN 6110-00-075-7880
NSN 4140-00-054-6467
NSN 5905-00-027-9307
NSN 7035-01-661-2467
NSN 6610-00-186-9180