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 6105-01-550-6654
NSN 5990-00-818-2610
NSN 5920-00-238-6491
NSN 6150-01-483-1595
NSN 5996-00-270-0340
NSN 6145-01-232-5746
NSN 4140-00-209-7965
NSN 5855-01-656-4815
NSN 4140-01-304-1597
NSN 7035-01-202-8699
NSN 5960-01-031-1759
NSN 5945-00-962-2814