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 5930-01-070-4268
NSN 4140-01-433-7613
NSN 5905-00-229-3897
NSN 6145-01-290-7163
NSN 5925-01-046-4918
NSN 6105-00-426-5430
NSN 6105-01-536-2482
NSN 5935-00-354-2096
NSN 4140-01-242-0295
NSN 5895-00-097-6046
NSN 5960-01-526-1463
NSN 7035-01-183-7550