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 2925-00-526-4541
NSN 6130-01-354-7865
NSN 5915-00-948-0447
NSN 6135-00-985-7845
NSN 5998-00-051-1062
NSN 5950-01-559-9065
NSN 5905-01-414-6970
NSN 5915-01-590-4900
NSN 5998-01-266-5616
NSN 5996-01-245-7123
NSN 7035-00-104-7613
NSN 5855-00-361-0167