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 5996-01-536-3038
NSN 6220-01-435-8699
NSN 6145-00-062-6683
NSN 5975-00-608-6446
NSN 6135-01-648-2284
NSN 5905-00-324-3043
NSN 5990-01-581-6871
NSN 6650-01-124-4314
NSN 7035-01-543-0236
NSN 6135-01-150-6916
NSN 7035-01-443-3052
NSN 5895-00-959-2284