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 5855-01-264-4610
NSN 6135-01-493-2912
NSN 5999-01-391-5416
NSN 5990-01-217-1550
NSN 6105-01-413-0209
NSN 6240-01-478-8488
NSN 6320-01-275-2147
NSN 5960-01-300-6788
NSN 6145-00-286-5636
NSN 5960-01-649-1341
NSN 5960-01-169-8215
NSN 5945-00-924-4609