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 5950-01-359-4854
NSN 5996-00-939-2346
NSN 6610-01-359-0008
NSN 5960-01-495-0859
NSN 5935-00-386-9020
NSN 6650-01-594-3888
NSN 6645-01-116-0750
NSN 5985-01-471-9432
NSN 5895-00-433-6860
NSN 6110-01-592-1784
NSN 5910-01-034-4282
NSN 6320-01-119-3935