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 6610-01-445-1036
NSN 5999-01-389-3702
NSN 5915-00-072-1635
NSN 6150-01-035-3349
NSN 5950-01-386-4012
NSN 5835-01-485-0210
NSN 5998-00-061-9238
NSN 6685-00-684-7891
NSN 5965-00-106-3195
NSN 5910-01-289-5863
NSN 5925-01-237-2501
NSN 5965-01-266-7968