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 5925-01-614-9134
NSN 6320-01-283-9370
NSN 5910-00-800-8217
NSN 5945-01-513-8305
NSN 5950-01-564-7110
NSN 6145-01-385-6505
NSN 6105-01-578-4144
NSN 5998-01-430-2773
NSN 6685-01-328-2522
NSN 6645-01-447-3143
NSN 5835-01-432-8801
NSN 5935-01-386-8125