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 2925-00-860-3652
NSN 6685-01-228-5332
NSN 5965-01-339-0059
NSN 5985-01-071-7292
NSN 5835-00-341-5441
NSN 6135-01-312-1040
NSN 5996-00-959-4892
NSN 5930-01-412-1176
NSN 6220-01-408-3017
NSN 5835-01-036-4951
NSN 5935-01-361-9200
NSN 6145-00-614-4075