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 6320-01-607-1491
NSN 2925-00-912-0580
NSN 5925-00-233-5125
NSN 5895-00-292-2872
NSN 5975-00-481-3681
NSN 5965-01-264-1738
NSN 6610-01-406-4985
NSN 6610-01-230-9971
NSN 5975-01-111-7119
NSN 5990-01-267-3590
NSN 6135-01-056-4609
NSN 5835-00-761-5615