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 5855-00-560-0110
NSN 6320-01-369-5014
NSN 5935-01-024-3811
NSN 6610-01-160-6585
NSN 5960-01-219-5504
NSN 5999-01-465-0861
NSN 6610-01-168-7943
NSN 5905-01-231-8232
NSN 5895-01-517-3643
NSN 5975-00-197-9762
NSN 6105-00-833-5103
NSN 5920-00-204-8125