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 5965-00-510-4301
NSN 5950-01-611-5858
NSN 6620-01-020-4526
NSN 6110-00-986-8229
NSN 5930-01-359-0711
NSN 6105-01-626-1650
NSN 5915-01-449-0709
NSN 5945-01-611-6088
NSN 6650-00-338-7350
NSN 2925-00-934-8383
NSN 6240-00-269-9727
NSN 5960-01-412-0619