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 5895-01-398-7303
NSN 5985-00-284-4856
NSN 6620-01-537-4121
NSN 6105-00-836-0529
NSN 6150-00-430-0651
NSN 5999-00-269-5320
NSN 5920-01-081-0774
NSN 5975-01-632-9144
NSN 5945-01-341-5650
NSN 5905-01-370-4392
NSN 6320-00-931-4855
NSN 5960-01-241-0105