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 6620-00-730-8699
NSN 5985-01-357-2529
NSN 5990-00-446-0518
NSN 5855-00-156-5489
NSN 6610-00-397-7678
NSN 5996-01-492-5408
NSN 5905-00-314-7813
NSN 6685-01-215-1204
NSN 5910-00-518-1009
NSN 5920-01-376-4926
NSN 5985-01-228-7408
NSN 5950-01-398-2263