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 5855-01-527-4713
NSN 6105-01-501-4458
NSN 5950-00-987-0153
NSN 5935-01-246-1055
NSN 5990-01-257-6854
NSN 5855-00-014-5008
NSN 5996-01-354-2833
NSN 6610-01-065-1073
NSN 7035-01-017-8994
NSN 5925-00-576-8179
NSN 5905-01-525-7909
NSN 6110-01-143-5909