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 5935-01-387-0423
NSN 6240-00-135-7071
NSN 5950-01-196-4164
NSN 2925-00-265-7539
NSN 5920-00-450-6192
NSN 5895-01-227-8845
NSN 5965-01-188-7267
NSN 5855-00-100-9003
NSN 6240-01-262-4490
NSN 5985-01-107-9879
NSN 6240-01-158-0402
NSN 6145-01-648-6793