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 5920-00-008-8465
NSN 5985-00-983-4751
NSN 5935-01-294-7708
NSN 5950-01-492-3242
NSN 6105-01-153-2302
NSN 6685-00-291-1416
NSN 5835-00-143-4153
NSN 5996-01-624-5388
NSN 6220-01-221-5933
NSN 5950-01-344-9050
NSN 6105-01-127-1732
NSN 5996-00-952-7091