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 5945-01-172-1353
NSN 6240-01-510-4744
NSN 5925-00-539-5324
NSN 6685-01-111-8712
NSN 5960-01-379-7594
NSN 5925-01-204-3363
NSN 6110-01-272-4742
NSN 5935-00-468-1453
NSN 5915-00-912-9761
NSN 6150-01-634-0575
NSN 5950-01-104-3999
NSN 6610-01-022-8669