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 6645-01-504-3394
NSN 6320-00-284-1524
NSN 4140-01-224-0435
NSN 5920-00-051-0204
NSN 7035-01-485-0269
NSN 6110-01-011-6824
NSN 5895-01-356-7060
NSN 6110-01-145-3814
NSN 5998-01-556-0859
NSN 5960-01-505-2426
NSN 6620-01-558-6558
NSN 6645-01-522-7447